Jonathan Barr
Nuclear Sector Leader
Flowserve Corporation
Jonathan Barr is Flowserve’s Nuclear Sector Leader, responsible for advancing the company’s flow control technologies, solutions, and services supporting the global expansion of nuclear energy. He leads Flowserve’s nuclear power strategy and partnerships across the global nuclear power industry, driving growth through plant life extension, power uprates, reactor restarts, and new reactor deployment, including large reactors and small modular reactors. Jonathan brings two decades of experience in nuclear energy across technology, economics, strategy, and policy. He previously served as the White House Assistant Director for Nuclear Energy, where he led domestic nuclear energy policy efforts and was lead author of the first-of-its-kind U.S. strategy for safely and responsibly expanding nuclear energy. Prior to this role, Jonathan spent over 17 years in positions of increasing responsibility at the U.S. Nuclear Regulatory Commission, including Executive Technical Assistant to the Executive Director for Operations, where he led high-visibility initiatives related to nuclear power safety, licensing, economics, and policy. Jonathan holds a bachelor’s degree from Northwestern University and a master’s degree from the Massachusetts Institute of Technology, both in materials science and engineering, as well as an MBA from the University of Maryland.
