Paul Totten is a Vice President at WSP and leads the Building Enclosures Division. He has over 22 years of experience in the fields of structural engineering, building enclosure design and commissioning, and building science. He has concentrated his expertise on the evaluation and analysis of heat, air, and moisture transfer, and the cumulative effect these elements have on building components and building operation. He is past co-chair of the Washington, DC AIA/NIBS Building Enclosure Council, a member of NIBS, ASHRAE, and USGBC and was a committee member of the National Institute of Building Sciences Guideline 3 – Exterior Enclosure Technical Requirements for the Commissioning Process. He is the past chair for NIBS Building Enclosure Technology and Environment Council (BETEC) Education committee. He is a member of the USGBC EA TAG. He leads the building science Advanced Enclosure Design course taught in the Master of Science in Sustainable Design program at The Catholic University of America’s School of Architecture and Planning.