Zimmerman is responsible for managing the Institute’s endowment.

He came to HHMI from the University of Pennsylvania, where, in 1998, he had been named the university’s first chief investment officer and was responsible for managing its endowment and pension fund. Zimmerman started his career in 1985 with J.P. Morgan and became a vice president in its emerging markets structured products area. In 1994, Zimmerman joined Bear, Stearns & Co., where he was an associate director in the derivatives department. In 1996, he moved to the Rockefeller Foundation where he managed the private equity and fixed income portfolios and helped formulate asset allocation.

Zimmerman graduated from the University of Pennsylvania with a BS in economics and received an MBA from the Wharton School. He is currently a trustee of the Public Welfare Foundation in Washington, D.C., and serves on the investment council of Gore Creek Asset Management in Chicago. Previously, he served as a trustee of the National Cathedral School in Washington, D.C., and served on the investment committees at the William Penn Foundation in Philadelphia and the American Association for the Advancement of Science.