In 1989, Jack teamed up with Tim Johnson and Van Hawn to co-found GHJ&M. Jack has been closely involved in the investment activities of the firm, including leading or co-leading investments in Marathon Funds I through V, serving on the board of directors of portfolio companies and working with portfolio company management teams.
Jack currently serves as a director for GHJ&M portfolio company Allen Edmonds.
Jack launched his career on Wall Street after earning degrees from Yale University and Harvard Business School. Following his tenure as Vice President at New York investment banking firm Kidder, Peabody & Co., he returned to the Midwest in 1976 when he was recruited by the Pillsbury Company. Over the next 15 years, Jack held positions in finance, international operations and ultimately, as Executive Vice President of Pillsbury and Chairman of its U.S. Consumer Foods Group.
In addition to his board responsibilities at GHJ&M, Jack serves on several public and private boards, including Hormel Corporation (NYSE-HML) and Andersen Corporation. Community board positions, past and present, include the YMCA, the Minneapolis Club and the Minneapolis Institute of Arts.