Known worldwide for coining the phrase: "the greenest building is...one that is already built," Carl Elefante practiced architecture at the intersection of sustainable design and historic preservation. A Principal Emeritus with Quinn Evans, the American Institute of Architects (AIA) 2024 Firm Award recipient, Carl designed noteworthy projects during a decades-long architectural career. In 2018, Carl served as the President of AIA, the highlight of many leadership roles in professional associations. Carl is a Fellow of both the AIA and the Association for Preservation Technology (APT). Among several teaching positions, in 2023-24 Carl served as the inaugural Visiting Scholar at the Michael Christopher Duda Center for Preservation, Resilience, and Sustainability at the University of Notre Dame. Carl is a Senior Fellow with Architecture 2030 and a charter member of the Climate Heritage Network.