Author Publications
Saeculum Leadership™ Body of Knowledge (SLBoK)
The integrated architecture of generational, behavioural, organisational, and philosophical leadership.
SLBoK – Operating System
Leadership of Change® Series (Volumes 1–10 and A–E) – The behavioural and organisational execution system covers leadership, culture, adoption, and transformation.
SLBoK – Principles
Saeculum Leadership™ Canon (Volumes I–V) – the generational and philosophical foundations of disciplined leadership in the Saeculum era.
SLBoK – Critique
The OCM Critique Trilogy (Volumes 8–10) – a behavioural and systemic analysis of failed organisational change.
Peter F. Gallagher’s comprehensive body of work spans 20 volumes (1–10, A–E, and I–V), equipping leaders, organisations, and practitioners with the frameworks, behavioural insights, and generational understanding required to deliver successful and sustainable change:
• SLBoK – Operating System
Foundational Volumes (1–3): Fables, pocket guides, and handbooks introducing the a2B Change Management Framework® (a2BCMF®), including models, assessments, tools, templates, and checklists for structured implementation.
Leadership and Strategy Execution Volumes (4–7): Deep dives into change leadership, organisational adoption, behavioural change, and the critical responsibilities of executive sponsors.
Developing Change Competency Volumes (A–E): Business simulations and workshop manuals designed to build leadership capability, behavioural awareness, and organisational change maturity.
• SLBoK – Critique
Critical Analysis Volumes (8–10): A rigorous examination of failed change approaches exposing the “change charade,” the insanity of repeated failure, and the rise of dilettantes in the profession.
• SLBoK – Principles
Saeculum Leadership™ Canon Volumes (I–V): The philosophical and generational foundations of Saeculum Leadership™. These volumes explore the collapse of post‑WWII systems, the behavioural crisis undermining leadership, and the generational turning shaping today’s era. Designed to build clarity, discipline, and leadership attitude, the Canon equips leaders with the intellectual framework required to understand the Saeculum era and lead with generational awareness and behavioural discipline.
Together, these works provide essential resources for governments, public institutions, universities, boards, CEOs, senior leadership teams, MBA programmes, and professionals seeking to understand, lead, and transform organisations and societies in a period of generational upheaval, behavioural decline, and structural change.
Volumes 1-3 Change Management Foundation - Structured Organisation Change Implementation
Leadership of Change® Volumes 1–3 (Change Management Fables, Pocket Guide, and Handbook) are foundational change management books focused on structured organisational change and transformation implementation using the a2B Change Management Framework® (a2BCMF®).
Change Management Fables
Leadership of Change® Volume 1
Change Management Fables: Ten change management fables about the leadership paradox of implementing organisational change management versus delivering normal day-to-day operations, structured on the ten-step a2B Change Management Framework®.
Change Management Pocket Guide
Leadership of Change® Volume 2
Change Management Pocket Guide: This change management pocket guide contains over thirty concepts, models, figures, assessments, tools, templates, checklists, plans, a roadmap and glossary, structured on the ten-step a2B Change Management Framework®.
Change Management Handbook
Leadership of Change® Volume 3
Change Management Handbook: This change management handbook contains over fifty concepts, models, figures, assessments, tools, templates, checklists, plans, a roadmap and glossary, structured, on the ten-step a2B Change Management Framework® each with a practical case study.
Volumes 4-7 Key Change Roles and Employee Approaches - Responsibilities and Focus Areas
Leadership of Change Volumes 4–7 (Change Management Leadership, Adoption, Behaviour, and Sponsorship) discusses fundamental subjects all business professionals should be aware of in this era of massive organisational change.
Change Management Leadership
Leadership of Change® Volume 4
Change Management Leadership: Effective and proactive leadership is essential for successful organisational change. This book outlines the three critical leadership responsibilities to implement change: Articulate the vision, Model the new way and Intervene to ensure sustainable change.
Change Management Adoption
Leadership of Change® Volume 5
Change Management Adoption: Achieving Employee Change Adoption in a major organisation change or transformation has mixed success and the ROI benefits are not always realised. For change adoption to be successful, the leaders, sponsor and change team should support the employees through the change transition by providing Awareness, Understanding, Involvement, Learning, and Motivation for the change.
Change Management Behaviour
Leadership of Change® Volume 6
Change Management Behaviour: Sometimes in order for an organisation to successfully deliver change or transformation and achieve sustainable change and benefits realisation employee behaviour change is required. To change these behaviours, the organisation must then support the employees through the change transition by implementing five key change behaviour stages: Recognise, Redesign, Resolve, Replicate and Reinforce.
Change Management Sponsorship
Leadership of Change® Volume 7
Change Management Sponsorship: Without a proactive and effective change sponsor, most change programmes or initiatives will fail to achieve the targeted objectives. This book outlines the three critical sponsorship responsibilities to successfully implement change; Say – communicating the change, Support – providing resources and Sustain – embedding the change.
Volumes 8-10 Critique of Change Management - See No Change, Hear No Change, Speak No Change Series
Leadership of Change Volumes 8–10 (Change Management Charade®, Insanity©, and Dilettante©) are a serious critique of the change management profession with the single objective of improving organisation change implementation and success.
Change Management Charade®
Leadership of Change® Volume 8
Change Management Charade®: The charade happens when senior leadership, the change team, and others are involved in an absurd pretence intended to create a pleasant and respectable appearance of organisational change implementation. The leaders continue to focus on normal day-to-day operations, devoid of change leadership responsibilities, and are permitted to do so by the change team or consultants, who delude themselves that they can implement successful change while the leaders control critical resources, decision-making bodies and agenda time.
Change Management Insanity©
Leadership of Change® Volume 9
Change Management Insanity©: This insanity refers to the reckless tendency of organisations and their leaders to repeat unsuccessful approaches to change, expecting different results. It begins when leadership neglects to implement a robust change management framework or appoint a dedicated sponsor with gravitas. This cycle persists through neglecting critical steps such as assessing and learning from previous organisational change history, understanding individual leaders’ change standpoints, and aligning change with other organisational priorities.
Change Management Dilettante©
Leadership of Change® Volume 10
Change Management Dilettante©: Refers to an individual who engages in change management practices without a deep understanding, commitment, or passion for the discipline. They dabble in the field without serious intent or expertise. This lack of genuine engagement can contribute to high change and transformation failure rates globally. They can be identified by traits such as happy-clappy change practitioner syndrome, a superficial grasp of change management concepts, and a dependency on trendy buzzwords.
Volumes A-E Change Leader Business Simulation Workshops
Leadership of Change® Volumes A–E (Change Management Leadership, Adoption, Behaviour, and Leadership Teams) are designed to develop change leadership skills, knowledge, and self-awareness in a 1-day change leader business simulation workshop.
Change Management Gamification Leadership
Leadership of Change® Volume A
Change Leadership Workshop Manual
Change Management Gamification Leadership: This change management gamification workshop manual supports organisational leaders to learn about change leadership in a workshop environment using a business simulation. It includes a business case study that enables experiential learning in a safe environment so the skills and knowledge can be immediately applied back in the workplace.
Change Management Gamification Adoption
Leadership of Change® Volume B
Change Adoption Workshop Manual
Change Management Gamification Adoption: This change management gamification workshop manual supports change practitioners to learn about change implementation with a focus on employee adoption in a workshop environment using a business simulation. It includes a business case study that enables experiential learning in a safe environment so the skills and knowledge can be immediately applied back in the workplace.
Coming Soon
Change Management Gamification Behaviour
Leadership of Change® Volume C
Change Behaviour Workshop Manual
Change Management Gamification Behaviour: This change management gamification workshop manual supports change practitioners to learn about change implementation with a focus on employee behaviour change in a workshop environment using a business simulation. It includes a business case study that enables experiential learning in a safe environment so the skills and knowledge can be immediately applied back in the workplace.
Change Management Gamification Sponsorship
Leadership of Change® Volume D
Change Sponsorship Workshop Manual
Change Management Gamification Sponsorship: This change management gamification workshop manual supports change sponsors to learn about change implementation with a focus on their three main change sponsorship responsibilities in a workshop environment using a business simulation. It includes a business case study that enables experiential learning in a safe environment so the skills and knowledge can be immediately applied back in the workplace.
Change Management Gamification Leadership Teams
Leadership of Change® Volume E
Change Leadership Team Workshop Manual
Change Management Gamification Leadership Teams: This change management gamification workshop manual supports leadership team to learn about change implementation with a focus on their three main change leadership responsibilities in a workshop environment using a business simulation. It includes a business case study that enables experiential learning in a safe environment so the skills and knowledge can be immediately applied back in the workplace.
Coming 2026
Saeculum Leadership™ – Leadership of Change® Volume I
Saeculum Leadership™ marks the beginning of a new canon within the Leadership of Change® series. It introduces the Saeculum Doctrine — a generational, behavioural, and structural framework designed to help leaders navigate the collapse of post‑WWII systems and lead through an era defined by acceleration, exposure, and consequence. This volume is not about organisational change delivery. It is about leadership when history turns.
Author’s Quote — Peter F. Gallagher:
“Leadership in the Saeculum era demands clarity, discipline, and the courage to confront the collapse of the old system. We cannot lead the future with the assumptions of the past.”
This is a Saeculum Leadership™ book about leadership when history turns. It is written to endure — not for this quarter, but for this era.
Leadership of Change®
Change Management Body of Knowledge (CMBoK) - Volumes 1 - 7 Model Overview
“Change waits for no leader. All leadership is about change and improvement”
