Ivan Lee, P.Eng., is a building science engineer and team lead of the component modelling team in the Building Performance Analysis department of Morrison Hershfield. He focuses on thermal and hygrothermal analysis. Lee has been working in the field of building science for over 13 years and has 11 years of simulation experience. He has been involved with various past projects, including 3D thermal modelling to assess thermal bridging details for the Building Envelope Thermal Bridging Guide (BETB Guide), and the Guide to Low Thermal Energy Demand for Large Buildings (Low TEDI Guide), as well as condensation analysis of window-wall and curtain-wall glazing systems. Lee also is a member of the Structural Engineering Institute Sustainability Committee, serving as the co-chair of the Thermal Bridging Working Group.