Curatorial Senior Director, Hauser & Wirth, Los Angeles, California, since 2023.
Curator, The Chinati Foundation/La Fundación Chinati, Marfa, Texas, 2020-2023.
Curator, Carnegie International 2018, Carnegie Museum of Art, Pittsburgh, 2015-2019.
Chief Curator, Institute of Contemporary Art (ICA), University of Pennsylvania, Philadelphia, 2000-2015.
Independent Curator, New York, 1990-2000.
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