CNA Talks

Guest Biographies

Ralph Espach is an expert in U.S.-Latin American relations, U.S. security assistance and cooperation in Latin America, and the assessment, monitoring, and evaluation of U.S. strategies and programs. His work focuses on U.S. security relations across the Americas, maritime security and naval issues, U.S. security cooperation efforts, and strategic risks such as Chinese and Russian regional relations and climate change.

Stephanie Stapleton is a nuclear policy specialist. Her research topics include strategic deterrence and competition, multipolarity, nuclear arms control, risk reduction, and US nuclear policy. Before joining CNA, she was the managing editor of the academic journal Peacebuilding and Development and taught at Georgia Highlands College.