• Founding Board Member of the US Green Building Council
• Co-chair of the LEED Technical Committee from its inception in 1994 through 2003
• Co-author with the Seven Group: The Integrative Design Guide to Green Building: redefining the practice of sustainability
• Served on the national executive committee of the AIA Committee On The Environment
• Former Chair of the ANSI Committee on Whole System Integration
• Served as a NESEA Board member
• Former and original LEED Faculty
• Advisory Board – Environmental Building News
• Board Member of A.W.E, Inc. San Francisco and Ecological, Inc. NYC

Bill is a planning consultant, design process facilitator, lecturer, and author. He has participated in over 300 presentations and workshops relating to Sustainable, Regenerative and Whole System Design. He has consulted on over two hundred green design commissions and dozens of LEED projects – achieving many certifications – the majority Gold and Platinum. He is a guest lecturer at Universities from Harvard and MIT to the University of British Columbia. His clients range from New York City Department of Design and Construction, U.S. General Services Administration, Loreto Bay, Baja, Mexico, Sidwell Friends School, US Green Building Council, Genzyme Corporation, Teknion, LLC, the Willow School, the Emirate of Abu Dhabi, various city planning agencies on the East and West coast, and many private development companies in the US, Canada, and Mexico.