Keith Leslie is a leadership mentor, speaker and writer, living and working in London and Bristol. He is Chair of Samaritans in the UK & Ireland and Chair of Mental Health At Work CIC. He was previously Chair of Mental Health Foundation, and has also served as Chair of Build Africa and as a non-executive director of The Tablet Publishing Company. He has been a fellow at Windsor Leadership since 2010.
Keith began his career with Shell, working in a series of front-line and general management roles. He joined McKinsey in 1993, becoming a partner in 1998, and served clients in a wide range of industrial sectors and government. He moved to Deloitte as a partner in 2006 and retired in 2017, having focused on organization and leadership challenges at senior levels in industry and government.

Based on his experience working with senior management teams, Keith has published more than 50 articles in European Management Journal, McKinsey Quarterly, The Times, Wall Street Journal, The Tablet and many other professional journals. He also speaks regularly at conferences and development programmes for senior leaders.