Julian Simcock is the lead lawyer to the Office of the Special Envoy to Sudan and South Sudan.

In that capacity, he serves as a member of the U.S. delegation to the South Sudan peace process. He also participates in sanctions negotiations with the Government of Sudan and in ceasefire talks with the Darfuri rebel movement.

Prior to assuming his current position, he served on a delegation to Cuba as part of the United States’ normalization negotiations and worked on arbitration matters regarding Iran. He was also the Executive Director of the Secretary of State's Advisory Committee on International Law.

He is a graduate of Babson College, the Harvard Kennedy School, and Stanford Law School. Before law school, he worked at Goldman Sachs and studied in South Africa as a Fulbright Scholar.

He teaches a night class at Georgetown Law on diplomatic and sovereign immunities.