As a technical leader, Stéphane leverages our Building Science team’s expertise in Enclosure Design, Façade Engineering, Energy Modeling and Envelope Component Modeling to assist our clients design, build and maintain enclosure systems to deliver high performance buildings.  Stéphane’s blend of experience in building science, engineering, and architecture guides his well-balanced approach to building envelope design, blending scientific analysis with an understanding of the aesthetics. He is particularly adept at providing innovative design concepts and construction alternatives that provide value by improving durability and increasing energy efficiency.  His work experience covers a wide range of building types across North America with a mix of new construction, as well as envelope rehabilitation and historic restoration projects.

Guanzhou Ji is a board member of the American Institute of Architects (AIA) – National Building Performance Knowledge Community (BPKC). Ji is a technical committee member of the Illuminating Engineering Society (IES) and the International Commission on Illumination (CIE), where he contributes to the development of industry standards and guidelines. His research focuses on photometry, image-based rendering, and physics simulation. Ji received Ph.D. in Building Performance and Diagnostics from Carnegie Mellon University and worked at the Illumination and Imaging Laboratory and the School of Architecture. He was awarded the Student and Emerging Professionals Scholarship (2022) by the U.S. Department of Energy (DOE) and the International Building Performance Simulation Association (IBPSA) – USA.