Chairman Carnegie Forum in United States, Greece and Turkey, 1996-1998. Chairman, member Center for Democracy and Reconciliation in Southeast Europe, since 1998. Trustee Central European University, Budapest, Hungary, since 2005, chairman, since 2010.
Trustee Levin Institute, State University of New York, since 2005. Member Association of Bar of City of New York, Council on Foreign Relations Clubs: Harvard (New York City), Economic Club New York.