Mr. Kivela is a Professional Engineer at the national engineering firm Simpson Gumpertz & Heger Inc. He has more than 20 years of experience in the design and construction industry, specializing in forensic investigation and design consulting on complex glazed systems and building enclosures. Mr. Kivela frequently publishes and presents on various building enclosure topics and he is active in ASTM International Committee D08 – Roofing and Waterproofing.