Sandy Wiggins is founder and principal of Consilience, LLC a national consulting and real estate development firm with a mission to build environmentally, socially and economically sustainable communities. During his three decade career in the real estate development and construction industries, he has worked with project teams through the development, design and construction of projects totaling over one billion dollars. In 2001, he cofounded the Philadelphia based Delaware Valley Green Building Council, an organization devoted to changing the way these industries work in order to regenerate the natural environment and leverage the built environment to improve human health and productivity. His vision and leadership have been responsible for the development of more than two dozen LEED commercial projects and the nation’s first LEED Gold certified homes, which are also net zero energy consumers. His skillful facilitation has helped birth sustainable master plans for municipalities and institutional campuses as well as sustainable regional public policy initiatives.

Sandy is the current Chair of the U.S. Green Building Council. He serves as a juror for the Delaware Valley Smart Growth Alliance. He is a founding member of the Pennsylvania Green Building Forum, a state-wide collaborative focused on public policy for the built environment. He previously served as the Vice Chair of USGBC and as the founding Chair of the Delaware Valley Green Building Council – a Chapter of USGBC. He was a member of the LEED for Neighborhood Development Core Committee throughout the development of LEED-ND Pilot Rating System. He has also served as a Director of the Energy Coordinating Agency, Earth Force of Delaware Valley, and the Pennsylvania Resources Council. Sandy is an accomplished Green Building advocate and a frequent lecturer and speaker on Green Building and Sustainable Development at conferences and other venues such as USGBC’s Greenbuild, World Green Building Congress (Bangalore), Urban Restoration Symposium, Clean Med, Design Build Institute of America, National Real Estate Roundtable, AIA, CSI, ASHRAE, and the U.S. Department of Energy.