JOSEPH LSTIBUREK, B.A.Sc., M.Eng., Ph.D., P.Eng., is a principal of Building Science Corporation and an ASHRAE Fellow. He is also an Adjunct Professor of Building Science at the University of Toronto. He is a building scientist who investigates building failures. Dr. Lstiburek received an undergraduate degree in Mechanical Engineering from the University of Toronto, a masters degree in Civil Engineering from the University of Toronto and a doctorate in Building Science Engineering from the University of Toronto. He has been a licensed Professional Engineer since 1982. The Wall Street Journal refers to him as “the dean of North American building science” and Fast Company magazine refers to him as “the Sherlock Holmes of construction”. When he is not in buildings he drinks red French wine and drives fast German sports cars – but never at the same time.