Guy is the former program director at LEI where he worked for six years alongside Jim Womack, refining lean implementation concepts before leaving to develop a number of opportunities focused on lean transformation, acquisition, and investment. At LEI, Guy helped develop the program for the annual Summit conferences, managed research projects, built a network of lean thinking leaders in industry, and worked closely with Mike Rother and John Shook to produce Learning to See training in value-stream mapping. Prior to working with LEI, Guy was president of Merlin Metalworks, the bicycle company whose lean transformation was described in Lean Thinking. He has been a guest lecturer at Babson College and Harvard Business School. Guy currently aids companies implementing lean through Value Stream Solutions LLC.