Butler is principal and general manager of engineering for IPS. He has more than 24 years of experience in facility design, construction, and operations, and his ex-pertise is in the engineering and leadership of large, technically complex, engineering-intensive facilities._His expertise is in the engineering and leadership of large, technically complex, engineering-intensive facilities. In addition, he is presently a member of ISPE’s Baseline Guide for Laboratories committee and has written and collaborated on several chapters for the new guideline.