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Saeculum Leadership® Body of Knowledge (SLBoK) - Volumes 1–10, A–E, and I–V

Peter F. Gallagher’s Saeculum Leadership® Body of Knowledge (SLBoK) spans 20 integrated volumes (1–10, A–E, and I–V). Together, they equip leaders, organisations, and practitioners with the generational insight, behavioural discipline, and operational frameworks required to deliver successful and sustainable change in the Saeculum era.


Saeculum Leadership® Body of Knowledge (SLBoK) - Volumes 1–10, A–E, and I–V

Peter F. Gallagher, Saeculum Leadership® Body of Knowledge (SLBoK), Change Management Body of Knowledge (CMBoK), Leadership of Change®, Change Management Books, Leadership of Change Volumes 1–7 and A–E, Saeculum Leadership Principles Volumes I–V, Change Management Fables, Change Management Pocket Guide, Change Management Handbook, Change Management Gamification, Change Adoption, Change Behaviour, Change Leadership, Change Sponsorship.

The integrated architecture of generational, behavioural, organisational, and philosophical leadership includes:


SLBoK – Principles

Saeculum Leadership® Canon (Volumes I–V)

The philosophical and generational foundations of disciplined leadership. These volumes map the collapse of post‑WWII systems, the behavioural crisis shaping today’s leaders, and the generational turning that defines the Saeculum era. They establish the doctrine, laws, pillars, practices, and legacy required for leaders to act with clarity, discipline, and generational awareness.


SLBoK – Operating System

Leadership of Change® Series (Volumes 1–7)

The behavioural and organisational execution system for change. This series introduces the a2B Change Management Framework® (a2BCMF®) and provides the models, assessments, tools, templates, and checklists required for structured implementation.

  • Foundational Volumes (1–3): Fables, pocket guides, and handbooks that establish the core framework.

  • Leadership & Strategy Execution Volumes (4–7): Deep dives into change leadership, organisational adoption, behavioural change, and the critical responsibilities of executive sponsors.


SLBoK – Critique

The OCM Critique Trilogy (Volumes 8–10)

A behavioural and systemic analysis of failed organisational change. These volumes expose the recurring patterns of:

  • Charade — symbolic performance without substance

  • Insanity — repeated failure without learning

  • Dilettante — confidence without competence

The trilogy provides a mirror for organisations and leaders who must confront the behaviours that undermine transformation.


SLBoK – Competency Development

Leadership of Change® Capability Series (Volumes A–E)

Experiential learning, business simulations, and applied workshops that build leadership capability and organisational change maturity. These volumes translate behavioural insight into practical skill development, supporting strategy execution across sectors and leadership levels.


Applicability Across Sectors

The SLBoK provides essential resources for:

  • Governments and public institutions

  • Universities and MBA programmes

  • Boards, CEOs, and senior leadership teams

  • Organisational change professionals and practitioners

The canon supports leaders navigating generational upheaval, behavioural decline, and structural transformation — equipping them to build institutions capable of enduring the Saeculum era.


"Most leaders manage change. Saeculum Leaders manage history."


Peter F. Gallagher is the Founder–Architect of Saeculum Leadership®, a doctrine of generational stewardship that equips leaders to strengthen what they inherit and shape what future generations receive. A 20-book author, global keynote speaker, and trusted advisor to boards, CEOs, and executive leadership teams, he helps organisations strengthen leadership capability, institutional stewardship, and transformational change in an increasingly complex world.


Recognition:

  • Ranked #4 in the Global Gurus Top 30 Leadership Gurus (2026).

  • Ranked #1 Global Thought Leader in Change Management by Thinkers360 (2020–2025).

  • Ranked #1 Global Thought Leader in Business Strategy by Thinkers360 (2023–2025).

  • Ranked #5 Global Thought Leader in Leadership by Thinkers360 (2023–2026).


For speaking engagements, board advisory, executive leadership programmes, or enquiries regarding Saeculum Leadership®, contact Peter.Gallagher@a2B.consulting.


Saeculum Leadership® Body of Knowledge (SLBoK) - Volumes 1–10, A–E, and I–V




 
 
 

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