George McMillan

George McMillan is a highly respected education leader with a proven track record of school transformation. As Executive Principal of three large secondary schools in London, he has successfully led two from Ofsted Inadequate to Outstanding, with the third awaiting its next judgement. A National Leader of Education since 2014, he has spent over a decade coaching, mentoring, and developing senior leaders, helping schools across the country identify areas for improvement and drive meaningful change.

With over 12 years as a Headteacher and Executive Headteacher, George understands first-hand what it takes to lead under pressure, navigate complex challenges, and build high-performing teams. He is passionate about developing leaders at every level—equipping them with the skills, confidence, and self-awareness to create thriving school cultures and lasting impact.

George’s expertise extends beyond education into executive coaching, leadership development, and organisational change. He holds advanced qualifications in coaching and systems leadership, including an Advanced Diploma in Transformational Coaching (EMCC) and ORSC Systems Coaching Certification, and is a Time to Think™ and Insights Discovery Practitioner.

As Executive Chairman of Leaderbeing, George supports the organisation’s strategic vision and leadership impact, ensuring our programmes remain deeply relevant to the evolving needs of leaders and organisations. He plays a key role in coaching and developing senior teams, drawing on his expertise in leadership resilience, high-performance cultures, and transformational change.

Outside of Leaderbeing, George lives in Surrey with his three teenagers, Leaderbeing CEO Jill, a massive dog, and two cats. He enjoys Brazilian Jiu Jitsu, skiing, and a good dose of laughter—believing that leadership, like life, should be approached with both discipline and joy.