Gunnar Hubbard, FAIA, LEED Fellow, is a Principal in the Sustainability & Resilience Practice at Thornton Tomasetti.  He is a recognized leader in green building across the U.S. and in Asia, Europe and the Middle East, with 30 years of experience as a licensed architect, consultant, educator and advocate. He oversees green building experts in the New York City, London, San Francisco, Boston and Portland, Maine offices. Gunnar is an expert in creating high performance, low energy, healthy buildings. His current focus is on advancing the firm’s building analytics services and expertise in certification systems such as Passive House, Living Building Challenge and WELL.