Mark Simonoff is the Legal Adviser to the US Mission to the United Nations. He handles legal issues related to all UN bodies, including the Security Council and the General Assembly. Simonoff has served at the US mission since August of 2008. Previously, Simonoff worked for ten years in the Office of the Legal Adviser at the U.S. Department of State, handling Antarctic, Arctic, oceans, outer space and environmental issues, among others. Simonoff worked as a litigator in private and government practice for several years in Boston, and clerked for judges at the U.S. District Court and the Supreme Judicial Court of Massachusetts. He received his law degree from Harvard Law School, and his undergraduate degree from Yale College.