David Briefel is a Sustainability Director and Design Resilience Leader at Gensler. Since joining the firm in 2007, he has worked on projects varying from 1Msf workplace renovations to ground-up mission critical facilities. His recent work includes projects pursuing Net Zero Carbon, Living Building Challenge, WELL, Fitwel and LEED v4 certifications. He is currently engaged in internal research focused on embodied carbon. David is a graduate from Cornell University and Pratt Institute.