;Current work • 1986–present:
Americas Society (New York, New York). Cultural Council Committee • 1992–present:
Museum of Modern Art (New York, New York). Trustee; 2006: Founder and Chair, MoMA's Latin American and Caribbean Fund; Member of other MoMA Committees • 2011–present:
Museum Berggruen (Berlin, Germany). International Council • 2015–present: The Feuerle Collection (Berlin, Germany). Founding member, International Ambassadors • 2015–present: Círculo Internacional de la Escuela de Música Reina Sofía,
Museo Reina Sofía, (Madrid, Spain). International Patron • 2017–present:
Museum of Fine Arts, Boston (Boston, Massachusetts). Member, Denman Waldo Ross Society at the Museum of Fine Arts, Boston • 2020–present:
American Academy of Arts and Sciences (Cambridge, Massachusetts). Member; 2020: Council; 2021 1985–2017: Chairman's International Council • 1987-1990: Sinfonietta Caracas (Caracas, Venezuela). Advisory Board • 1991: Escuela Superior de Música Reina Sofía,
Museo Reina Sofía. Founding Patron • 1992-1996:
Metropolitan Museum of Art (New York, New York). Chairman's Council • 1994-2011:
Harvard University (Cambridge, Massachusetts). 1994: Founding board member; 1998-2011: Advisory Committee,
David Rockefeller Center for Latin American Studies • 1997-2000: Archer M. Huntington Art Gallery,
University of Texas at Austin (Austin, Texas). Latin American Advisory Group • 1997-2003: Programa Andes Tropicales (Mérida, Venezuela). Founding member, Board of Directors • 1998-2012: Casita Maria (New York, New York). 1998-2008: Board member; 2008-2012: Chairman's Council • 2001–2015:
Harvard University (Cambridge, Massachusetts). Committee to Visit the Harvard University Art Museums • 2007–2017: Patronato Internacional del Museo del Prado,
Museo del Prado (Madrid, Spain). Founding International Trustee • 2009-2017: International Committee of
International Council of Museums (ICOM) for Museums and Collections of Modern Art (CIMAM). Founding Member • 2011-2014: American Friends of the Fondation Beyeler,
Beyeler Foundation (Basel, Switzerland). Member • 2011-2014: Association Centre Pompidou América Latina,
Centre Georges Pompidou (París, France). Founding Member • 2012–2020: Fundación Museo Reina Sofía,
Museo Reina Sofía (Madrid, Spain). 2012–2020: Founding Patron; 2015–2020: Nominating and Governance Committee • 2012–2024: Leadership Council of
Independent Curators International (ICI) (New York, New York) • 2016–2018: Fundação Bienal de São Paulo,
São Paulo Art Biennial (São Paulo, Brasil). Founding International Advisory Board member == Honors and awards ==