Executive Leadership Training

The story, mission and people behind Apex Executive Mastery — and why organisations trust us with their most important leaders.

Our story

Apex Executive Mastery was founded in 2011 by a group of former Fortune-500 executives who shared a single frustration: too many leadership programmes delivered theory without transformation. They had sat through countless seminars that felt disconnected from the messy, high-stakes reality of running a business. So they set out to build something different — a firm where every programme is grounded in lived executive experience and every intervention is measured by tangible behavioural change.

Our founding team brought together backgrounds in strategic consulting, organisational psychology and operational leadership. From day one, we committed to small cohort sizes, rigorous pre-programme diagnostics and longitudinal follow-up. That commitment has earned us the trust of more than three hundred organisations across financial services, healthcare, technology, energy and the public sector.

Today we operate from our headquarters in St. Sporer, England, with associate faculty spanning four continents. Whether we are facilitating a two-day offsite for a regional leadership team or designing a global talent-pipeline strategy for a multinational, our approach remains the same: deeply personal, evidence-informed and relentlessly practical.

Our library-style meeting room where leadership conversations begin

Mission and values

Our mission is to develop leaders who create lasting, positive impact — on their organisations, their communities and the people they lead.

Evidence over intuition

We anchor every programme in peer-reviewed research, validated psychometric instruments and measurable outcomes. Hunches are starting points; data is the compass. Our faculty stay current through ongoing academic partnerships and publish regularly in leadership journals.

Courage and candour

Growth happens at the edge of comfort. We create psychologically safe spaces where leaders can receive honest feedback, confront blind spots and practise new behaviours without fear of judgement. Our facilitators model the candour they ask of participants.

Inclusion by design

Leadership is not a monolith. We design programmes that reflect the diversity of modern organisations — in content, facilitation style and participant composition. Every voice matters, and we actively work to dismantle barriers that prevent talented leaders from reaching their potential.

Sustainable impact

We reject the "inspiration high" model. Our programmes include structured follow-up, peer accountability partnerships and organisational embedding strategies so that new capabilities endure long after the final session ends.

Meet the team

Our faculty and leadership team bring decades of combined experience across industries and geographies.

Dr. Catherine Ellsworth, founding director

Dr. Catherine Ellsworth

Founding director

Former chief strategy officer at a FTSE-100 energy company. Catherine holds a doctorate in organisational behaviour from London Business School and has coached over two hundred senior executives across Europe and the Middle East.

Marcus Adebayo, head of coaching practice

Marcus Adebayo

Head of coaching practice

An ICF Master Certified Coach with fifteen years of experience in financial services leadership. Marcus specialises in executive transitions, helping leaders navigate the first hundred days in a new role with clarity and confidence.

Dr. Mei-Lin Chen, director of research

Dr. Mei-Lin Chen

Director of research

A behavioural scientist who bridges the gap between academic research and practical application. Mei-Lin leads our programme evaluation methodology and co-designs our psychometric assessment suite.

Our track record

Numbers that reflect more than a decade of dedicated executive development.

3,200+
Leaders developed
340
Client organisations
96%
Programme satisfaction
14
Years of impact