Current
3332021-present    One House (cultural foundation); Advisory Board

2021-present    Saudi Public Investment Fund/Central Riyadh (real-estate fund); Executive Board

2021-present    Aerotropolis Institute of China (urban development); Fellow

2021-present    Zhengzhou Airport Economy Zone (urban development); Advisory Panel

2020-present    Saudi Public Investment Fund/Saudi Downtown (real-estate fund); Executive Board.
2017-present    Land Art Generator Initiative (arts/technology commissioning); Advisory Board
2017-present    COIMA (real estate fund); Advisory Board
2013-present    Urban Land Institute (not-for-profit); UK/Executive Board (Chair 2017-2019)

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Past
2016-2021    BestMile (mobility tech); Advisory Board

2011-2020    University of Oxford MsUD program (academia); Advisory Board 
2015-2016    Mayor of London; Strategic Infrastructure Investment Program (government); Advisory Board
2014-2015    Mayor of London; Infrastructure Delivery Board  (government); advisor
2003-2006    Active Kids/ Shanghai (not-for-profit); Executive Board (Chair 2004-2006)
2001-2002    New York New Visions (not-for-profit); Co-Chair 
1999-2002    AIA/ New York (professional); (Honors 1999-2000, Design Awards Chair 2001-2002)
1998-2002    Harvard Graduate School of Design (academia); Alumni Council
1992-1996    U. S. Green Building Council/ New York;