J. H. CULLUM CLARK is president of Prothro Clark Company, a family investment firm in Dallas. He is also a partner of Fischer & Company, an alternative investment firm headquartered in New York. He began his career as a portfolio manager and senior analyst at Brown Brothers Harriman in New York. From 1996 to 2000, Clark was a senior analyst at Warburg Pincus Asset Management and portfolio manager of two mutual funds focused on small public companies around the world. From 2000 to 2002, he was the managing partner of a small hedge fund based in Dallas. Clark serves on the board of trustees of the Vin and Caren Prothro Foundation, the Eugene McDermott Foundation, and the S.M. Wright Foundation; the investment committee of Southern Methodist University; the advisory board of SMU’s Tate Lecture Series; the board of directors of the Episcopal School of Dallas; the finance committee of the AT&T Performing Arts Center; the advisory board of The Salvation Army DFW Metroplex Area Command; and the governing board of the Yale University Art Gallery. He has also served on the boards of the Dallas Zoological Society and the University of Texas at Dallas Center for Brain Health, as well as on the vestry of Saint Michael and All Angels Church. Clark earned a BA in history from Yale University and a master’s degree in political science from Harvard University. He is currently working on his PhD in economics at Southern Methodist University. He is married to Nita Prothro Clark, and the couple has three daughters, Lili, Annabel, and Charlotte.