Bill is an internationally recognized planning consultant, design process facilitator, lecturer, teacher, and author in sustainability and regeneration. He is a principal of Regenesis, Inc.—a regenerative development and design, living systems integrator, and education organization.
He is the author of many technical articles and contributor to multiple books, including the seminal work, Integrative Design Guide to Green Building, which he co-authored. He is a founding Board of Director of the US Green Building Council and one of the co-founders of the LEED Green Building Rating System. He is also a keynote speaker at major building and design events as well as a guest lecturer at universities throughout Europe, North America, and Oceania, including Harvard, MIT, Princeton, and UPenn.