Mark Koumans, Deputy Director, U.S. Citizenship and Immigration Services

Mark Koumans, Deputy Director, U.S. Citizenship and Immigration Services

Mark Koumans began his role as Deputy Director of USCIS on May 13, 2019.

Background Experience/Significant Achievements

Koumans’ career spans nearly three decades of federal service working in the areas of immigration enforcement, immigration foreign policy, security cooperation, and counterterrorism within the Department of Homeland Security (DHS) and the Department of State.

Koumans served from January 2018 to May 2019 as the Deputy Executive Assistant Commissioner at Enterprise Services, U.S. Customs and Border Protection (CBP) where he assisted the Executive Assistant Commissioner in overseeing CBP’s administrative, technical, and professional services. In this capacity, he assisted in the oversight of the agency’s financial operations and budget, facilities and asset management, acquisition and procurement, information technology, training, human resources, accountability, and programming.

During his tenure at CBP, Koumans also served as Acting Deputy Executive Assistant Commissioner, Operations Support, supporting CBP’s mission execution in the areas of intelligence, international affairs, planning, requirements development, incident coordination, forensic/scientific services, policy, and use of force.

He has also held the positions of Assistant Commissioner for International Affairs, CBP, beginning in 2016 and Deputy Assistant Secretary for International Affairs at DHS Office of Policy beginning in 2008. Among other responsibilities, at DHS for many years he oversaw the Visa Waiver Program.

Prior to joining DHS in 2007, Koumans served for 17 years in the U.S. Foreign Service where he concentrated on counter-terrorism and security issues beginning in 2003. He started his State Department career as a Consular Officer at the U.S. Consulates General in Amsterdam (1991-93) and Hong Kong (1994-95).


Koumans received his bachelor's degree from Brown University and has participated in training courses throughout his career, including at the State Department’s Foreign Service Institute and the Harvard Kennedy School’s Executive Education Program.

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