Historian of art and culture. Leader of globally-influential contemporary art initiatives.Strategic consultant for art organizations.Speaker and consultant on the topic of resilience. Author of Kill for Peace: American Artists Against the Vietnam War (University of Texas Press, 2013), The Big Picture: Contemporary Art in 10 Works by 10 Artists (Prestel, 2017), A Year in the Art World: An Insider’s View (Thames & Hudson, 2020/2023), and the forthcoming No New Ideas: Tracing the History of Self-Help to Better Help Yourself (HarperOne, 2027).