He serves on the Advisory Board of the Council on Foreign Relations and the Dean's Council of the John F. Kennedy School of Government at Harvard University.[1][2] With Richard Branson and others, he is a co-founder of the Carbon War Room, a think tank on climate change based in Washington, D.C..[2][9][19] According to The Financial Times, he is "a Tel Aviv liberal in the mould of the old Israeli Labour party."[5]