Few careers track the rise of Lean techniques and strategies as closely as that of Mark DeLuzio, who nearly 20 years ago implemented one of the first Lean accounting processes in the United States. A vice president and corporate officer of Danaher Corporation, DeLuzio led the corporate-wide implementation of Lean and designed what is known today as the Danaher Business System (DBS). Our interviewer, Steve Player, recently caught up with the Lean pioneer and asked him to retrace the milestones of his career along Lean's trajectory.