Marshall Erwin

Position / Title: 
Non-Residential Fellow
Focus Areas: 

Marshall Erwin is currently a senior staff analyst at Mozilla, where he focuses on data security, privacy, and surveillance. He is an expert in intelligence policy and a co-founder of, a web platform for current and former intelligence professionals to provide analysis and debate on pressing national security challenges.

Marshall began his career in the intelligence community, where he worked for five years as a counterterrorism and cybersecurity analyst. He also served as the counterterrorism and intelligence adviser to Senator Susan Collins on the Senate Homeland Security and Government Affairs Committee, where he helped lead the committee’s investigation into the terrorist attacks in Benghazi, Libya. More recently, Marshall was the intelligence specialist at the Congressional Research Service, focusing upon National Security Agency surveillance leaks and legislative changes to FISA statute.