Julia Koch serves on the boards of
Koch Industries, Memorial Sloan Kettering Cancer Center (MSK), the Metropolitan Museum of Art and Venetian Heritage. 

She's also president of the David H. Koch Foundation, which has given nearly $200 million to support diverse causes nationwide including science and medical research, education, the arts, and more. 

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Julia Koch and her late husband, David H. Koch Senior, have three children: David Jr., Mary Julia and John Koch.