Stephen Shanks is a Senior Consultant for Intertek Building Sciences Solutions. He is a building scientist and commissioning provider with over 40 years experience studying the performance of structures. With his background in physics and building construction, he combines theory and practice in a unique and integrated way. Mr. Shanks provides consulting services on new and existing construction, building enclosures, historic restoration and preservation, construction failures, and as an expert witness. He serves as Chair of the Executive Committee for the Building Enclosure Technology and Environment Council (BETEC) of the National Institute of Building Sciences (NIBS), Co-Chair of the Codes Task Group for the Air Barrier Association of America (ABAA) and serves on various Standards Development committees including ASHRAE 90.1 and ASTM E06 for Performance of Buildings. His professional licenses and certifications include Certified Commissioning Authority (CxA), Accredited Building Enclosure Commissioning Process Provider (BECxP), Certified NDT Level III/ Master Thermographer for Thermal-Infrared (IR), and Level III Whole Building Air Tightness Testing for Large Buildings.