Jeff Geisinger is director of sustainable design at Utile, where he leads the firm’s building performance and resilience initiatives. He works with project teams to design energy-efficient, sustainable buildings and spaces by integrating energy modeling into the design process. His teaching approach emphasizes the importance of climate-responsive methods and analysis at the earliest stages of design. Geisinger has worked at Ennead Architects in New York and Guillermo Vázquez Consuegra in Seville, Spain. He earned degrees from MIT and Rice University and is a Certified Passive House consultant and a registered architect in Massachusetts.