Fregeau, John
Research Staff Member, IDA
Tech Council Member (2026 — )
John is a research staff member at the Center for Computing Sciences, part of a federally-funded research and development center performing fundamental research in support of the National Security Agency. His research spans a range of topic areas and includes quantum computing, high-performance computing, the physics of security, and signals analysis. Before transitioning to a career in national defense, he did theoretical and computational research in stellar and planetary dynamics, with an emphasis on understanding the evolution of globular clusters. He was a Chandra Postdoctoral Fellow at Northwestern and the Kavli Institute for Theoretical Physics at UCSB after receiving his PhD from MIT.
