Princeton Nathan Lyman was born in San Francisco, California and currently serves as U.S. Special Envoy to Sudan. Lyman attended the University of California and Harvard University.
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Princeton Lyman entered government service in 1961. His domestic assignments as a Foreign Service officer have included U.S.A.I.D.'s Bureau of Program and Policy Coordination, U.S.A.I.D.'s Bureau of African Affairs, and the Institute for Scientific and Technical Cooperation.
Ambassador Lyman’s career in government included assignments as deputy assistant secretary of state for Africa (1981–86), U.S. ambassador to Nigeria (1986–89), director of refugee programs (1989–92), ambassador to South Africa during the transition from apartheid (1992–95), and assistant secretary of state for international organization affairs (1996–98). He served as director of the U.S. Agency for International Development (USAID) in Addis Ababa, Ethiopia from 1976 to 1978.
On August 25, 2010, the State Department announced Lyman's participation in a U.S. negotiation team to assist in the implementation of Sudan's Comprehensive Peace Agreement.
On March 31, 2011, U.S. President Barack Obama announced Lyman's appointment to the position of U.S. Special Envoy for Sudan, replacing General Scott Gration, who was appointed ambassador to Kenya. Obama outlined Lyman's objectives in implementing the CPA, reducing tensions over Abyei, facilitating South Sudan's independence in July, and ending the conflict in Darfur.
Sources: Council on Foreign Relations, Wikipedia, U.S. Department of State, The White House
