Peggy McCullough

Peggy McCullough is responsible for a portfolio of nuclear security sites and projects executing more than $5 billion in work annually including management and operation of two U.S. national laboratories, two plants, and the Naval Nuclear Laboratory, employing more than 20,000 scientists, engineers, technicians, and other professionals.

Projects within her Nuclear Security and Operations business line are responsible for safely disassembling U.S. nuclear weapons while ensuring the remaining stockpile is safe, secure, and effective. They apply national security science to a broad spectrum of endeavors from basic science to advanced research and development while modernizing aging, Cold War-era infrastructure for the U.S. National Nuclear Security Administration.