United States

William McIlhenny is a visiting senior fellow at the German Marshall Fund of the United States. He was formerly at the White House as a director at the National Security Council, and at the US Department of State as a senior policy advisor. He also served as a member of the secretary of state's policy planning staff. 

Sudha David-Wilp is GMF’s vice president of external relations and a senior fellow. She joined GMF in 2011, and as a member of the executive team she splits her time between Berlin and Washington, DC.

She leads GMF’s teams covering cities, government relations, leadership programs, and strategic convening. She has extensive experience in stakeholder management with decision-makers on both sides of the Atlantic and has conceptualized a variety of convening formats involving high-level speakers in DC and across GMF’s European office network.

David-Wilp is an expert on German-American relations and the transatlantic partnership. She has written for outlets such as Axios, CNN, and Foreign Affairs, and has been featured in The New York Times, BBC, Bloomberg News, NPR, and numerous German newspapers and broadcasters. Prior to joining GMF, she was director of international programs at the US Association of Former Members of Congress in Washington, DC, and managed outreach to Capitol Hill and US government officials for programs such as the Congressional Study Group on Germany.

She received a bachelor’s degree from Johns Hopkins University and a master’s degree from Columbia University, and is an alumna of the Robert Bosch Fellowship and the American Council on Germany’s McCloy Fellowship programs.

Kristine Berzina is the Washington, DC-based senior fellow, US defense and transatlantic security. She is responsible for leading programming on US, Nordic, Baltic, and Arctic security and defense issues, and provides analysis on NATO and US and European foreign policy.

Berzina also leads GMF’s Across America initiative, which takes European officials into the US heartland to build regional connections on security issues. She is a frequent commentator in international media, including The New York Times, the BBC, CNN, NPR, France 24, Deutsche Welle, and The New Yorker. She is a co-host of Drošinātājs (The Fuse), a Ukraine-focused podcast and Latvian radio program.

Berzina previously worked on countering autocratic influence as head of GMF’s Alliance for Securing Democracy’s geopolitics team and, while based in Brussels and Berlin for the organization, on transatlantic security and energy issues. She holds a bachelor’s degree in political science and history from Yale University and a master’s degree in international relations from the University of Cambridge.