Eric Diefenbach, left, and J. K. Brown.

James Keith (JK) Brown and Eric Diefenbach have been together for 28 years and, according to a 2013 profile in Townvibe Ridgefield, have been collecting art for almost the entire time. They own pieces by Carl Andre, Sarah Braman, Joseph Beuys, and Gerhard Richter. Their collection is especially strong in postwar German art; the 2011–12 touring exhibition “De-Natured: German Art from Joseph Beuys to Martin Kippenberger, Selections from the James Keith Brown and Eric Diefenbach Collection” included pieces by Sigmar Polke, Bernd and Hilla Becher, Andreas Gursky, and Hanne Darboven. The couple are major museum supporters, with Brown serving as president of the board of the New Museum and Diefenbach leading the board of the Aldrich Museum in Ridgefield, Connecticut, where they have a home.

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James Keith (JK) Brown and Eric Diefenbach

New York; Ridgefield, Connecticut

Source of wealth:
Investments and law

Collecting area:
Contemporary art

Top 200 appearance:
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Fun fact:

Brown and Diefenbach summed up the reasons they collect art in their 2013 profile in Townvibe Ridgefield: “It’s nice to live with wonderful things. . . . But it’s also nice to enable people to make art.”