Carisa Nietsche is a Senior Analyst in the Geo-technology practice at Eurasia Group, where she focuses on telecommunications, technology infrastructure, and emerging markets. She also serves as an adjunct fellow with the Transatlantic Security Program at the Center for a New American Security.

From 2023 to 2026, she served as an Arctic Policy Advisor in the Office of the Secretary of Defense for Policy at the US Department of Defense, where she advised senior leadership on Arctic defense policy, Arctic allied cooperation, and Greenland policy.

Previously, she served as an Associate Fellow in the Transatlantic Security Program at the Center for a New American Security. She has also held positions at the Brookings Institution, the Woodrow Wilson International Center for Scholars, the US Department of State, the European Parliament, and the International Republican Institute. Her analysis has appeared in Politico Europe, Foreign Policy, TechCrunch, The New York Times, The Washington Post, and the BBC, among other outlets.

Nietsche earned her master's degree in German and European studies from Georgetown University's School of Foreign Service and her bachelor's degree in Government and Plan II Honors from the University of Texas at Austin.