David Marriott is a Senior Lean Coach at Lean Enterprise Academy Limited. He possess expertise in lean manufacturing, toyota production system, value stream mapping, continuous improvement, kaizen and 31 more skills. Colleagues describe him as "One of the greatest mentors and coaches that I had, truly an amazing person professionally and personally. he taught and coached me in the most powerful CI methods and Lean tools. thank you david for your availability, your passion, your patience and every second spent with me. I really learned a lot from you! I miss the Opex journey accross europe!" and "I worked with Dave in GKN, Delphi and Aptiv and throughout he was one of the most talented Lean/CI experts I have ever had the pleasure to work with. He combines deep technical knowledge from a strong base in Toyota with a nice way with people at all levels. This powerful combination maximises the output of applying improvement science to complex organisational and culture change."