William Sisson

Executive Director, WBCSD North America and Member of the Extended Leadership Group

William (Bill) Sisson is presently the executive director for the World Business Council for Sustainable Development (WBCSD) North America, a nonprofit based in New York City, operating as an international office of WBCSD in Geneva.

He oversees WBCSD’s regional strategy, relations and growth efforts, sustainability focused member projects and strategic engagements. Bill also supports WBCSD’s work on the Built Environment, working closely with the Geneva based project team.

Prior to his role with WBCSD, Bill gained over 30 years of private sector experience with the multi-national conglomerate United Technologies Corporation (UTC), where he capped his career as Senior Executive Director for Sustainability reporting to UTC’s Chief Technology Officer.While at UTC, his responsibilities included directing Carrier’s long-range HVAC research as well as managing Carrier’s Commercial Controls division. Bill is the former Chair and continues on the Board of the Global Building Performance Network (GBPN).

Bill was a member of the Technical Review Committee of the Global Cooling Prize, administered by Rocky Mountain Institute, and of the expert group for Aspen Global Change Institute’s research on Industry Decarbonization.

He holds advanced degrees from Virginia Tech, Rensselaer Polytechnic Institute, and Massachusetts Institute of Technology Sloan School of Business, where he is a Sloan Fellow alumnus.

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