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Jackson Structured Programming (JSP) is a program design methodology developed by British software consultant Michael A. Jackson in the 1970s. It focuses on mapping the structure of a problem—specifically its data structures—directly onto the structure of the program used to solve it.
Overview of Jackson Structured Programming
JSP is designed to create programs that are easy to maintain and modify because the program’s control structure naturally handles the input and output data structures.
Detailed Historical Timeline
Early Years (1960s–1974): Conceptualization and Founding
Established Method (1975–1979): Documentation and Adoption
Evolution into System Design (1980s): JSD
Maturity and Retrospective (1990s–Present)
Jackson Structured Programming JSP is a program design methodology, overview and timeline
Mark Whitfield is a highly experienced SC-cleared Senior IT Project Manager and Engagement Manager with over 30 years of experience in the software development lifecycle (SDLC), specializing in Agile and Waterfall delivery for financial, automotive, and public sector clients. He has a strong background in HP NonStop (Tandem) systems and currently works for Capgemini.
Comprehensive Career Timeline
Early Career & Foundations (1988–1995)
Development & Technical Specialization (1995–2013)
Banking & Digital Project Management (2013–2016)
Senior Engagement Management (2016–Present)
Client & Colleague Recommendations
Mark Whitfield is noted for being a detail-oriented manager who provides a strong barrier between developers and difficult clients, while maintaining a friendly, professional, and diplomatical approach.
Key Areas of Expertise
Mark Whitfield’s website (mark-whitfield.com) serves as a professional portfolio and resource hub for his 30+ year career as a SC-cleared Senior IT Project Manager. It offers over 200 editable project management templates for Agile, Waterfall, and PRINCE2 methodologies, alongside career insights and project experience.
Website & Content Overview
The site is designed for project managers looking for templates to speed up project documentation and for clients looking to review his career accomplishments.
Senior IT Project Manager & Project Templates author – Mark Whitfield
Templates sold on this website are designed for Microsoft Office (Excel, Word, PowerPoint) and MS Project (MPP) and are used for tracking and planning software development lifecycle (SDLC) projects.
Template Breakdown
The templates, often sold in a bundle, include over 200+ editable items aimed at project delivery. Key components include:
Where to Buy
The templates are fully editable, allowing users to tailor them to specific project requirements.
This is a detailed, comprehensive historical timeline of project management methodologies, tracing the evolution from ancient practices to modern adaptive frameworks.
I. Pre-Modern Era (Before 1900): Foundation of Task Coordination
II. Early Modern Era (1910s–1950s): The Scientific Management Era
This era brought “scientific management” to project control, focusing on efficiency and visualization.
III. The “Golden Age” of Project Management (1950s–1960s): Formal Methodologies
This era introduced mathematical models for managing complex, interdependent tasks.
IV. The “Silver Age” (1970s–1980s): Systems and Controls
V. Rebirth and Modern Era (1990s–2000s): Agile and Adaptive Methods
VI. The Contemporary Era (2010s–Present): Hybrid, AI, and Speed
Project Management Methodologies, historical timeline by era and year
Mark Whitfield is a highly experienced IT Senior Project Manager and Engagement Manager based in Manchester, UK, specializing in Agile Scrum, PRINCE2, and Waterfall methodologies. He holds a degree in Computing (1990) and has extensive experience in IT hardware solutions, financial services, and Aerospace & Defence.
Here is a comprehensive summary of his profile, with links based on the provided search data:
Professional Profile
Comprehensive Career History
Certifications & Training
Awards
Web Presence & Documents
Mark Whitfield, Senior IT Project Manager
By era;
Mark Whitfield is a highly experienced IT Project Manager, Senior Developer, and SC-cleared consultant with over 30 years of experience, specializing in HP NonStop (Tandem) systems, banking software, and digital transformation projects. He is currently an Engagement Project Manager at Capgemini.
Career Overview
Career Timeline by Era and Year
1. The Foundation & Tandem Era (1990–1995)
2. Insider Technologies & Monitoring Era (1995–2013)
3. Banking Transformation & Consultancy Era (2013–2016)
4. Digital Transformation & Capgemini Era (2016–Present)
Key Qualifications
Scrumban is a hybrid Agile project management framework that blends the structured planning and roles of Scrum with the continuous flow and visualization of Kanban. Originally designed as a transition method for teams moving from Scrum to Kanban, it has evolved into a popular, distinct approach for teams needing to manage unpredictable work (e.g., support, maintenance) while maintaining prioritized planning. It focuses on pull-based workflows, limiting Work-in-Progress (WIP), and continuous improvement.
Scrumban Summary
Detailed Historical Timeline of Scrumban
1. The Pre-Scrumban Era (Pre-2008)
2. Conception and Definition (2008–2010)
3. Formalization and Adoption (2011–2019)
4. Mature Hybrid & Continued Growth (2020s–Present)
Core Principles of Modern Scrumban (2026 Perspective)
Scrumban project management summary and detailed historical timeline by era and year
The Critical Path Method (CPM) is a foundational project management technique developed in the late 1950s to identify the longest sequence of dependent tasks (the “critical path”) that determines the minimum time needed to complete a project. By focusing on these critical tasks, managers can identify which activities have flexibility (float) and which will delay the entire project if they slip.
Detailed Historical Timeline of CPM
Pre-Development Era (1940-1955): The Need for Speed
Development Era (1956-1959): The Birth of CPM
Expansion Era (1960-1979): Industrial Adoption
Computerization Era (1980-1999): The PC Revolution
Digital/Agile Era (2000-Present): Modern Integration
Key Components of CPM
CPM Critical Path Method project management and detailed historical timeline by era and year
ISO 21500 is a set of international standards providing high-level guidance on project, program, and portfolio management. Initially published in 2012 as a guidance document for project management, it was updated in 2021 to serve as the foundational, high-level “Context and Concepts” document for a broader suite of ISO project management standards (ISO 21500–21505).
ISO 21500 Development Timeline
Detailed Historical Timeline of Project Management
The following timeline details the evolution of project management leading up to the ISO standards.
1. Ancient Era – Pre-1900: Foundation & Construction
2. Early Modern Era (1900–1950): Scheduling Techniques
3. The Golden Age (1950–1980): Formalization
4. The Silver Age (1980–2000): Methodologies & Technology
5. Modern Era (2000–Present): Agile & Global Standardization
ISO 21500 high-level guidance on project, program, and portfolio management
The Program Evaluation and Review Technique (PERT) is a project management tool developed in the late 1950s to analyze and represent the tasks involved in completing a complex project. It is designed to handle uncertainty in project scheduling by using three time estimates (optimistic, pessimistic, and most likely) to calculate the expected duration of tasks.
Summary of PERT Project Management
Detailed Historical Timeline of PERT (1950s–Present)
The Era of Development (1950s)
The Expansion and Mainframe Era (1960s–1970s)
The PC and Software Era (1980s–1990s)
The Digital and Agile Era (2000s–Present)
Key Components of a PERT Chart
The Adaptive Project Framework (APF), often called Adaptive Project Management (APM), is a flexible, client-driven methodology designed to handle high-complexity, high-uncertainty projects where goals are clear but the methods to achieve them are not. Unlike traditional “Waterfall” approaches that follow rigid, linear plans, APF embraces change, utilizing iterative cycles to learn from previous results and improve future project practices.
Summary of Adaptive Project Framework (APF)
Historical Timeline of Adaptive Project Management
Adaptive project management evolved to address the limitations of traditional, rigid project management when faced with the rapid change and high uncertainty of the 21st-century IT landscape.
Pre-Adaptive Era (Pre-1950s)
Early Evolution of Iterative Methods (1950s–1980s)
Rise of Agile and Pre-APF Adaptive Models (1990s)
Formalization of Agile and Adaptive Concepts (2000s)
The Development of APF (2010s-Present)
Hybrid Project Management (HPM) is a tailored approach that combines structured, predictive methods—most commonly Waterfall—with flexible, iterative methods like Agile to maximize efficiency, speed, and control. As organizations face increasingly complex, rapid-change environments, HPM allows for detailed upfront planning of scope and budget, while utilizing sprints for development and stakeholder feedback.
Summary of Hybrid Project Management
Detailed Historical Timeline: Evolution Toward Hybrid
The history of project management shows a progression from early manual techniques to structured “Golden Age” methodologies, eventually diversifying into Agile before merging into modern Hybrid approaches.
I. Pre-Modern Era (Before 1950) – The Birth of Structure
II. The “Golden Age” (1950s-1960s) – Introduction of Predictive Methods
III. The “Silver Age” (1970s-1980s) – Diversification & Lean
IV. The Digital Age & Agile Revolution (1990s-2000s) – Flexibility
V. The Hybrid Era (2010s-Present) – Tailored Integration
Hybrid HPM project management summary and detailed historical timeline by era and year
Extreme Programming (XP) is a prominent, disciplined Agile software development framework designed to improve software quality and responsiveness to changing customer requirements. Developed by Kent Beck in the mid-1990s, it focuses on taking beneficial engineering practices—such as pair programming, testing, and continuous integration—to “extreme” levels.
Project Management Summary: Core XP Components
XP differs from other Agile methods by focusing intensely on technical engineering practices alongside project management techniques.
Detailed Historical Timeline of XP
Era 1: Origins and The Chrysler C3 Project (1993–1996)
Era 2: Formalization and “Embracing Change” (1997–2000)
Era 3: Rise of Agile and Expansion (2001–2005)
Era 4: Integration with DevOps and Continuous Delivery (2006–Present)
Extreme Programming XP project management summary and detailed historical timeline by era and year
Agile project management is an iterative, incremental approach to project management that focuses on flexibility, continuous improvement, and rapid delivery of value. Unlike the linear “Waterfall” approach, Agile breaks projects into small, time-boxed cycles (sprints or iterations) to allow for frequent feedback and adaptation to changing requirements.
Summary of Agile Project Management
Detailed Historical Timeline of Agile (1950s–Present)
1. The Pre-Agile Era: Iterative Roots (1950s–1980s)
Before “Agile” was a term, software pioneers experimented with iterative approaches to break away from linear, heavy-documentation processes.
2. The Birth of “Lightweight” Methods (1990s)
Practitioners, frustrated with the “Waterfall” approach, created new, faster methodologies, often called “lightweight” methods.
3. The Agile Manifesto and Formalization (2000s)
4. Mainstream Adoption and Scaling (2010s)
5. Enterprise Agility and Beyond (2020s)
Evolution of Core Methodologies
Agile project management summary and detailed historical timeline by era and year
Waterfall project management is a linear, sequential methodology where progress flows steadily downward through defined phases, much like a physical waterfall. In this model, each stage—such as requirements, design, implementation, and testing—must be fully completed and approved before the next one begins.
Core Characteristics
Historical Timeline by Era and Year
The following timeline tracks Waterfall from its origins in post-WWII engineering to its current role in hybrid project management.
The Pre-Formal Era (1950s – 1969)
Software development adopted structured, sequential approaches from engineering, largely driven by complex, high-risk projects.
The Formalisation Era (1970 – 1979)
The model was officially, yet ironically, described and named.
The Institutional Era (1980 – 1999)
Waterfall became the mandatory standard for large-scale, complex projects.
The Modern & Hybrid Era (2000 – Present)
Waterfall transitioned from the default standard to a specialised methodology.
Waterfall project management is a linear, sequential methodology
Click on the link in the website banner above to purchase example, editable template project plans shown and many others.
Mark Whitfield is a Senior IT Project Manager and Engagement Manager with over 30 years of experience in the software development lifecycle (SDLC). He is currently a SC-cleared Engagement Manager at Capgemini UK.
Professional Background by Era
Technologies & Frameworks
Major Projects & Customers
Awards & Education
Project Management Templates
Whitfield provides a library of over 200 editable resources through his site, PROject Templates, designed for Agile, Waterfall, and PRINCE2 7th Edition delivery. Key items include:
Mark Whitfield Background and Career Timline
PRINCE2 management products are the 26 standard documents (templates) used to manage a project throughout its lifecycle. They are categorised into Baselines (plans and definitions), Records (registers and logs), and Reports (periodic updates).
Management Products Overview
The core templates provided in the methodology ensure consistent project control. Official templates are often available through accredited providers, this website or the official AXELOS website.
Historical Timeline of Templates & Methodology
The evolution of these products reflects a shift from rigid, IT-specific documents to flexible, industry-agnostic templates.
The Pre-PRINCE Era (1975 – 1988)
The PRINCE Era (1989 – 1995)
The PRINCE2 Emergence (1996 – 2008)
The Revision Era (2009 – 2022)
The Modern Era (2023 – Present)
Template Kits & Resources
For those seeking pre-formatted digital versions:
PRINCE2 Management Products Templates Overview and Historical Timeline
The Waterfall methodology is a linear, sequential project management approach where progress flows steadily downward through defined phases, such as requirements, design, implementation, and testing. Each stage must be completed and approved before the next begins, making it highly structured but often inflexible to changes.
Historical Timeline by Era and Year
The history of the Waterfall model spans from early post-WWII engineering to its formalisation in software and eventual institutionalisation in government standards.
The Pre-Formal Era (1950s – 1969)
During this period, software development borrowed heavily from established engineering and manufacturing processes.
The Formalisation Era (1970 – 1979)
The methodology was formally described, ironically as a cautionary tale, and finally given its name.
The Institutional Era (1980 – 1999)
Waterfall becomes the global standard for large-scale and regulated industries.
The Modern & Hybrid Era (2000 – Present)
As Agile became dominant, Waterfall shifted from the default choice to a specialised or hybrid tool.
Waterfall Methodology in Project Management, a Timeline History
Mark Whitfield provides a comprehensive suite of over 200 editable project management templates designed for both Agile and Waterfall delivery. These tools are built based on 21+ years of IT project delivery experience and are formatted for Microsoft Office (Excel, Word, PowerPoint) and Microsoft Project (MPP).
Core Planning & Tracking Templates
Financial & Resource Management
Reporting & Communication
Methodology Support
These templates are available for purchase on Mark Whitfield’s official site and typically include free lifetime upgrades.
Free Upgrade Project Management Templates Download by focus area
Mark Whitfield, an IT Project Manager specializing in HP NonStop systems, has a career and training history that spans over three decades, from his academic beginnings in the late 1980s to advanced cloud certifications in the 2020s.
Early Career & Foundations (1988–1995)
During this era, Whitfield focused on core computer science and specialized mainframe systems while working for The Software Partnership (TSP) and Deluxe Data.
Development & Technical Specialisation (1995–2005)
Working primarily with Insider Technologies Limited, this period was marked by software development training in languages like C++ and initial forays into project management.
Web Development & Security Focus (2006–2010)
This era shows a shift toward web-based technologies and specialized security products.
Agile & Advanced Management (2011–Present)
In his current era at companies like Betfred and Capgemini, Whitfield has prioritized professional certifications in management and cloud infrastructure.
Mark Whitfield IT Project Manager Training Focus
Mark Whitfield is a Senior, SC cleared IT Project and Engagement Manager with over 30 years of experience, specializing in the software development lifecycle (SDLC) for large-scale digital and financial payment systems.
Professional Experience by Year
Education
Awards and Key Certifications
Mark Whitfield Senior SC Cleared IT Project Manager
Mark Whitfield’s project management (PM) template collection is a comprehensive professional toolkit containing over 200 editable templates. Designed for both Agile Scrum and PRINCE2/Waterfall delivery, the set is built on over 24 years of real-world experience and is available for purchase on his official website and Etsy.
Core Planning & Tracking Templates
Methodology-Specific Artifacts
Reporting & Documentation
Key Features
Editable Project Management Templates for Agile and Waterfall projects
MuleSoft (a Salesforce company) – From October 2018 – June 2019, assigned as a Delivery Manager at MuleSoft (augmented) to deliver the Anypoint Platform.
https://www.linkedin.com/groups/163300
Project Management Café, PRINCE2 Agile SCRUM Kanban MPP MSP Templates ITIL LEAN DevOps PMP Six Sigma
This is a Project Management Group Café for PM students, graduates and professionals looking to either locate, discuss or contribute ideas for PM templates for; Agile, Scrum, Kanban, PRINCE2 Waterfall projects, e.g. Plan on a Page (POaP), RACI, MPP, RAID logs, finance trackers, status reports, org charts etc. etc.
Project Management LinkedIn Group
A gallery and inventory of screenshots for the Project Management Templates (both Agile and PRINCE2 waterfall projects) that are all available to be purchased as a bundle from this website link (note: upgrades to the latest template package after purchase, are totally FREE).
PM templates include MS Project MPP and MS Excel detailed plans including PRINCE2 and Agile delivery, Gantt Plan on a Page examples (POaP), finance trackers, status reports, RAID logs (Risk, Issue, Assumption, Dependency log), RACI tracker (Responsible, Accountable, Consulted, Informed), agile burn down chart and burn up chart, resource tracker, benefits realization plan etc. etc.
(Download the Template Inventory PDF file – 15MB)
Join the FREE PM templates related Facebook Group (LIKE Facebook page) and LinkedIn Group.
PRINCE2 and Agile Project Management Templates Gallery examples
PRINCE2 & Agile PM Templates Gallery
Mark Whitfield is a highly experienced IT professional with a career spanning over 30 years, transitioning from a technical programmer to a senior digital engagement and project manager. His expertise is rooted in HPE NonStop (Tandem) systems and has evolved to encompass complex Agile and Cloud delivery across diverse industries.
Early Technical Era (1990–1995)
Following his graduation in Computing in 1990, Whitfield began his career as a Programmer at The Software Partnership (later Deluxe Data).
Growth and Product Management Era (1995–2004)
Whitfield joined Insider Technologies Limited (ITL) in 1995 as a Senior Programmer.
Strategic Leadership and Project Management Era (2005–2014)
During this decade, he transitioned into IT Project Management, focusing on high-value financial transaction tracking.
Senior Digital Engagement Era (2014–Present)
Since 2014, Whitfield has focused on senior-level digital transformation and engagement management.
Mark Whitfield is a highly experienced Senior IT Project Manager and former developer with over 30 years of expertise in HP NonStop (formerly Tandem) systems, primarily within the electronic banking and payments sectors. He is currently a Senior Project Manager at Capgemini (SC cleared until 2031) and maintains a professional portfolio at mark-whitfield.com.
Historical Timeline & Customer Breakdown
Technical Breakdown by Competency
Web Hyperlinks & Resources
Mark Whitfield is a Senior Project Manager with over 30 years of experience in delivering PRINCE2 Waterfall and Agile Scrum projects. Operating the Etsy shop ProjectTemplatesSoft (also known as iProPMTemplates), he provides a comprehensive bundle of over 200 professional project management templates.
Author Overview: Mark Whitfield
Detailed Project Templates Inventory
The expanded inventory typically included in his master ZIP file covers the entire project lifecycle across various formats (Excel, Word, PowerPoint, and MS Project).
1. Planning & Scheduling Templates
2. Tracking & Control (RAID & RACI)
3. Financial & Resource Management
4. Documentation & Reporting
iProPMTemplates on Etsy for Project Management Templates with FREE Upgrades
Mark Whitfield provides a comprehensive suite of over 200 editable project management templates designed for Agile, Waterfall, and PRINCE2 methodologies. These tools are based on his 30+ years of project delivery experience in high-stakes sectors like banking and aerospace.
Overview of Project Management Templates
Whitfield’s collection, available on his official website and Etsy, includes specialized tools for various delivery phases:
Historical Career Timeline
Mark Whitfield’s template development is rooted in a career that evolved from technical programming to senior engagement management.
Project Management Templates Overview and Author Timeline
Agile development is an iterative and incremental approach to project management and software delivery that prioritises flexible planning, frequent delivery of working software, and rapid response to change. At its core, Agile seeks to shorten work cycles to deliver value to customers quickly while using frequent feedback to improve quality.
Core Overview
The foundation of modern Agile is defined by the Agile Manifesto (2001), which establishes four central values:
The Agile life cycle typically moves through six phases: Concept, Inception, Iteration, Release, Maintenance, and Retirement.
Comprehensive Timeline of Agile Development
Agile did not emerge in a vacuum; it evolved from early 20th-century industrial concepts and decades of experimentation in software engineering.
Era 1: The Industrial & Theoretical Roots (1910s – 1960s)
This era established the foundational concepts of efficiency, waste reduction, and iterative cycles that would later inform Agile frameworks.
Era 2: Evolutionary Alternatives to Waterfall (1970s – 1980s)
As the rigid Waterfall model became dominant, practitioners began developing “lightweight” alternatives to handle complex, shifting requirements.
Era 3: The Proliferation of Frameworks (1990 – 2000)
This decade saw a “crisis” in software development where traditional methods failed to keep up with the personal computing boom, leading to the birth of modern frameworks.
Era 4: The Manifesto & Mainstream Adoption (2001 – 2010)
Agile shifted from a niche experimental approach to a global industry standard.
Era 5: Scale, Transformation, and Modern Evolution (2011 – Present)
Agile has expanded beyond software into marketing, HR, and education, becoming a “culture” rather than just a tool.
Agile Development Overview and Detailed Timeline by Era
Artificial intelligence (AI) is transforming project management through two distinct but related paths: the use of AI-powered tools to manage general projects and the specialized methodologies required to manage AI development itself.
1. Methodologies for Managing AI Projects
Traditional software development methods (like Waterfall) often fail for AI because these projects are experimental and non-linear. Specialized frameworks have emerged to handle the “data-first” nature of AI:
2. AI-Augmented Project Management (The “AI Copilot”)
For non-AI projects, AI acts as an intelligent assistant to automate administrative tasks and provide predictive insights.
3. Implementation Strategy
Experts recommend a phased approach to integrating AI into management workflows:
AI Projects and Methodologies for Managing AI Projects
Scrum is a lightweight framework within the broader Agile methodology used to manage complex work through iterative, incremental delivery. It organizes work into fixed-length cycles called sprints, typically lasting two to four weeks, to deliver a usable “increment” of value at the end of each cycle.
Core Components (The 3-5-3 Structure)
The framework is built around three accountabilities, five events, and three artifacts.
1. Three Accountabilities (Roles)
2. Five Events (Ceremonies)
3. Three Artifacts
The Three Pillars of Empiricism
Scrum is founded on empirical process control, which relies on:
Key Values
Success with Scrum depends on the team’s commitment to five core values: Commitment, Courage, Focus, Openness, and Respect.
Agile Scrum Methodology Summary Breakdown Overview
The PRINCE2 (PRojects IN Controlled Environments) framework is built on seven core principles that serve as guiding obligations for any project using this methodology. For a project to be considered a “PRINCE2 project,” all seven must be applied.
Henry Gantt (1861–1919) was an American mechanical engineer and management consultant who revolutionized project management by introducing visual tools to track work against time. A close associate of Frederick Taylor, he humanized “scientific management” by focusing on employee motivation and social responsibility alongside industrial efficiency.
Overview of Henry Gantt’s Contributions
Comprehensive Gantt Timeline History
Era 1: Pre-Gantt & Early Origins (1765–1896)
Era 2: The Henry Gantt Era (1903–1919)
Era 3: Global Adoption & Infrastructure (1920s–1970s)
Era 4: The Digital Revolution (1980s–Present)
Gantt Chart Detailed Timeline History by Era and Year
The Rational Unified Process (RUP) timeline is a two-dimensional framework where the horizontal axis represents time (divided into phases and iterations) and the vertical axis represents work/activities (divided into disciplines).
The process is structured into four sequential phases, each culminating in a major milestone where the project’s progress is assessed before moving forward.
RUP Project Phases and Milestones
Each phase of the RUP lifecycle has a specific objective and a corresponding milestone.
Detailed Iteration Timeline
Within each phase, work is performed in iterations (typically lasting 2 to 6 weeks). Each iteration is a mini-lifecycle that includes:
Historical Development Timeline
Rational Unified Process RUP Overview and Timeline History
This resume summarizes the career of Mark Whitfield, a Senior IT Project Manager with over 30 years of experience specializing in digital and software development lifecycles, cloud migrations, and HP NonStop systems.
Personal Details
Executive Summary
Key Skills & Competencies
Professional Experience
Education & Certifications
The Structured Systems Analysis and Design Method (SSADM) is a highly structured, “waterfall” methodology developed in the 1980s for the UK government to standardise IT project management. Its timeline can be viewed through two lenses: its historical evolution as a standard and its internal execution phases.
Historical Evolution Timeline
SSADM evolved through several versions to become an “open” standard used widely in public and private sectors.
Methodological Execution Timeline (Stages 0–6)
SSADM follows a strict linear sequence where each stage must be completed and “signed off” before the next begins.
Jackson Structured Programming (JSP) was developed by British software consultant Michael A. Jackson to provide a rigorous, data-driven alternative to the intuitive “top-down” methods prevalent in the 1970s. Its evolution is characterized by a transition from micro-level program design to macro-level system architecture.
The Early 1970s: Foundation and Invention
The Late 1970s: Standardisation and Expansion
The 1980s: Evolution into System Development (JSD)
The 1990s to Present: Legacy and Modern Relevance
Jackson Structured Programming (JSP) Timeline by year
Website: https://centiun.com
Centiun Overview
Centiun is a British IT services consulting company and Microsoft Partner, helping enterprise public and private sector organisations achieve digital transformation excellence through the Microsoft cloud.
We specialise in Microsft Dynamics 365, Power Platform, and Micrisoft 365, delivering expert consultancy, solution architecture, implementation, and managed services that enable organisations to modernise operations, improve service delivery, and unlock greater value from their technology investment.
From CRM transformation and business process automation to secure collaboration, data-driven decision making, and AI enabled innovation, Centiun supports customers to build smarter, faster and more resilient ways of working.
Our approach combines deep Microsoft expertise with a practical focus on outcomes – designing and delivering solutions that are scalable, compliant, and tailored to the needs of complex organisations.
Whether you’re starting your digital journey or optimising an existing platform, Centiun is your trusted Microsoft for long-term transformation and support.
Website: https://centiun.com
On LinkedIn: https://www.linkedin.com/company/centiun/
Email: info@centiun.com
Mark Whitfield, an experienced IT Project Manager, has a career and certification history spanning over 30 years. His professional development includes a range of technical, project management, and cloud-based qualifications.
2020s: Cloud & Modern Platforms
2010s: Advanced Management & Development
2000s: Web Applications & Database Systems
1990s: Core Programming & System Fundamentals
Mark Whitfield Training IT Career Timeline Overview
Mark Whitfield, a Senior IT Project Manager who has spent over 30 years specialising in HP NonStop (formerly Tandem) computing systems.
Professional Background
Key Technical Contributions to NonStop
About HP NonStop Systems
In the context of Mark Whitfield’s work, NonStop refers to a “shared-nothing” architecture designed by Tandem Computers. These systems are uniquely capable of:
A project planning timeline is typically structured around the five phases of the project management lifecycle: Initiation, Planning, Execution, Monitoring/Control, and Closure. This framework breaks a complex project into manageable stages to ensure systematic progress and stakeholder alignment.
1. Project Initiation
The foundation phase where the project’s value and feasibility are established.
2. Project Planning
The most critical stage for the timeline, where the high-level vision is translated into a detailed roadmap.
3. Project Execution
The “action” phase where the team carries out the planned tasks to produce deliverables.
4. Project Monitoring and Controlling
This phase runs concurrently with Execution to ensure the project stays on track.
5. Project Closure
The final wrap-up where the project is formally ended and evaluated.
Project planning timeline is typically structured to five phases
The history of project management has evolved from ancient manual coordination to highly sophisticated, digital-first methodologies.
Pre-20th Century: The Era of Ancient Marvels
During this era, project management was characterized by massive labour forces and basic resource coordination without standardized scheduling tools.
1900–1950: The Birth of Modern Project Management
This era introduced scientific management principles and the first visual scheduling tools.
1950–1980: The Era of Management Science
Driven by the Cold War and space race, this period saw the creation of mathematical scheduling techniques.
1980–2000: The Computing Revolution
Personal computers allowed project management software to proliferate into the private sector. Key milestones included the early Scrum framework and the initial PMBOK Guide release.
2000–Present: The Agile and Digital Era
Modern project management emphasizes flexibility, speed, and digital tools.
Project Management evolution timeline by era
Project management has evolved from ancient engineering feats to a highly structured, data-driven discipline. Below is a comprehensive timeline of its historical development and the evolution of its core methodologies.
Ancient & Early Eras
The Mid-20th Century: Formalization
Late 20th Century: Methodology Proliferation
21st Century: Agile & Global Standards
No, Microsoft Project desktop is not being retired. It remains the “gold standard” for complex project scheduling and will continue to be supported and available for purchase.
To purchase example MSP MPP Microsoft Project plan templates (and many others), click here.
Confusion often arises because Microsoft has announced the retirement of several related cloud-based and web-based services. Here is the current status of the Microsoft Project ecosystem:
Products Being Retired
Products Staying Active
.mpp files locally or connect it to alternative backend systems like Project Server SE.
Key Dates for Project Online Users:
Agile and Scrum have evolved from specific product development theories into a global standard for project management. While Scrum predates the Agile Manifesto by several years, it has become the most widely adopted framework within the Agile umbrella.
Evolution Timeline
Key Shifts in Scrum Maturity
Agile’s history is a transition from rigid, manufacturing-based “Waterfall” models to flexible, people-centric frameworks. While the term was coined in 2001, its roots trace back to early 20th-century industrial practices and the “software crisis” of the 1960s.
Early Foundations (Pre-1990s)
Before Agile became a formal software methodology, its core principles of efficiency and iteration emerged from manufacturing and early computing.
The Rise of “Lightweight” Methods (1990–2000)
Frustrated by Waterfall’s slow delivery, practitioners developed several “lightweight” frameworks.
Formalisation & Modern Evolution (2001–Present)
The movement unified under a single name and eventually scaled to entire enterprises.
Agile’s evolution is not just a 21st-century phenomenon but a response to decades of “software crises” and rigid industrial processes. Below is a comprehensive historical breakdown of Agile’s journey.
1. Pre-Digital Foundations (1910s – 1940s)
Long before software, the concepts of efficiency and waste reduction were born in manufacturing.
2. Early Iterative Development (1950s – 1970s)
The 1950s saw the first departures from strictly sequential “waterfall” planning.
3. The Proliferation of “Lightweight” Methods (1980s – 1990s)
Frustration with heavyweight, document-heavy processes led to several “Agile” precursors.
4. The Agile Manifesto & Formalisation (2001 – 2010)
Agile moved from a collection of “lightweight” methods to a global standard.
5. Scaling and Modern Business Agility (2011 – Present)
Agile expanded beyond coding into enterprise-wide strategy.
Microsoft Word has evolved from a niche tool for Xerox programmers into the world’s most dominant word processor. Below is the comprehensive history of its development and key milestones.
The Early Years (1980s)
The Rise to Dominance (1990s)
.doc format that would last for a decade. Modernisation & The Ribbon (2000s)
.docx (Office Open XML) file format.Cloud & AI Era (2011–Present)
Microsoft Word Development Timeline History
Microsoft Excel has evolved from a niche Apple Macintosh tool into the world’s most dominant spreadsheet software. Its history is marked by strategic shifts, such as jumping from the MS-DOS era to graphical interfaces to outmanoeuvre then-leader Lotus 1-2-3.
Timeline of Major Excel Milestones
Technological Evolution Highlights
Microsoft Excel Development Timeline History
Mark Whitfield’s project management templates offer a range of timeline and planning views designed for Agile, Waterfall, and PRINCE2 delivery. These templates typically include a high-level Plan on a Page (POaP) and detailed Microsoft Project (MPP) or Excel schedules.
Timeline & Planning Views
Key Timeline Components
The templates are pre-configured with several essential timeline elements:
You can find the full package of over 200 editable templates, which include these timeline views and RAID logs, on Mark Whitfield’s official website or via his Etsy store.
Project Management Templates Bundle FREE Upgrades
In Scrum, the “timeline” is typically structured as a repeatable, time-boxed cycle known as a Sprint, which usually lasts between one and four weeks. Each sprint follows a strict sequence of “ceremonies” designed to ensure constant delivery and feedback.
The Standard Sprint Timeline (2-Week Example)
The following is a common chronological breakdown of a typical 10-day (two-week) sprint:
Strategic Project Phases
While the sprint is the heart of execution, a broader Agile project often follows these foundational stages:
Time Allocation (The 15/10/5 Rule)
For a standard sprint, many teams use a percentage-based guide to manage ceremony time:
For more hands-on planning, tools like the Wrike Sprint Template or Jira Timelines can help visualize these cycles across a long-term roadmap.
Agile Scrum Timeline and Overview
PRINCE2 (PRojects IN Controlled Environments) has evolved from a rigid, IT-specific framework into a globally recognised, flexible project management standard.
Historical Evolution Timeline
Comprehensive Project Timeline Breakdown
A standard PRINCE2 project follows a lifecycle defined by seven processes:
PRINCE2 – PRojects IN Controlled Environments
The technical timeline for
Mark Whitfield, an SC cleared, Senior IT Project Manager and Engagement Manager, spans over 30 years and transitions from specialized banking software development to high-level project leadership and cloud migrations.
Professional Career Timeline
Technical Training & Education
Whitfield maintains an active Professional Training timeline to adapt to changing technologies:
He is also a Certified Engagement Manager and a registered PRINCE2 Practitioner proficient in both Agile Scrum and Waterfall methodologies.
Capgemini’s evolution from a small French startup to a global IT leader is marked by strategic mergers and a shift toward high-growth technologies like AI.
Corporate History Timeline
Recruitment & Career Timelines
The hiring process typically follows this path:
Capgemini’s evolution from a small French startup to a global IT leader
In 2026, the PRINCE2 7 (7th Edition) remains the current global standard for the methodology. The core diagram, known as the PRINCE2 Process Model, illustrates how the 7 processes interact across the four management levels: Corporate, Direction, Management, and Delivery.
The PRINCE2 7 Process Model
The diagram typically visualises the project lifecycle from a “Project Mandate” to “Project Closure” through these processes:
PROject Templates 