Lee was a member of the Fondation Chirac's honour committee,[97] ever since the foundation was launched in 2008 by the former French President Jacques Chirac to promote world peace.
Lee was also a member of David Rockefeller's International Council, along with Henry Kissinger, Riley P. Bechtel, George Shultz, and others. Additionally he was one of the Forbes' Brain Trust, along with Paul Johnson, and Ernesto Zedillo.