USA, Art Historian
As director of The Museum of Modern Art, he directs an active program of exhibitions, acquisitions and publications. He has lectured and written extensively in support of contemporary art and artists and the role of museums in society. He is a member of The Andrew W. Mellon Foundations’ board of trustees, a fellow of the American Academy of Arts and Sciences, a member of the steering committee for the Aga Khan Award for Architecture, and a resident member of the American Philosophical Society. He also serves on the advisory