[1][2][3][4][5] He is President of the William E. Simon Foundation, a grant-giving organization headquartered in New York City.
[1][2][3][4][5][6][7] He is a Senior Fellow and serves as Chairman of the Center for the American University at the Manhattan Institute for Policy Research,[1][6][4][5][7][8][9] and an advisory board member of the affiliated Adam Smith Society.
[1][4] Additionally, he is chairman of the selection committee for the Hayek Book Prize awarded by the Manhattan Institute each year.
[1][2][3][4][5][11][12][13] Additionally, he is a member of the selection committee for the Clare Boothe Luce Program for Women in the Sciences, Medicine, and Engineering.
[1][5] He also sits on the advisory council of the Henry Salvatori Center for the Study of Individual Freedom at Claremont McKenna College.