He served on the national executive committee of the AIA Committee On The Environment; a founding Board Member of the US Green Building Council; co-chair of the LEED Technical Committee from its inception in 1994 through 2003; a former NESEA Board member; and is a member of the LEED Advanced faculty. He currently serves as an advisor to Environmental Building News, and on the board of CitiLog.
Bill is a consultant, design process facilitator, and lecturer. He has participated in over 300 presentations and workshops relating to Sustainable and Regenerative Design. He has consulted on over two hundred green design commissions and dozens of LEED projects – achieving many certifications – Certified to Platinum. He is a guest lecturer at Universities from Harvard 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, various city planning agencies on the East and West coast, and many private development companies in the US, Canada, and Mexico.