Dr. Mark Herrmann and Dr. Charles Nakhleh - U.S. National Laboratories, Stockpile Stewardship and Workforce

Mark C. Herrmann, Ph.D. Program Director for the Weapon Physics and Design within Weapons and Complex Integration Directorate Lawrence Livermore National Laboratory. Dr. Herrmann leads LLNL’s efforts to strengthen our nation’s nuclear deterrent by advancing our understanding of nuclear weapons physics and design. This includes the physics design, assessment, and certification efforts for the enduring LLNL systems (W80, B83, W87), the W80-4 Life Extension Program, and the W87-1 Modification program. He also leads weapon science research and development, including focused experiments, integral hydrodynamic and subcritical experiments, high-energy-density (HED) experiments at the National Ignition Facility (NIF), and modeling and simulation using NNSA’s high performance computing capabilities. Dr. Herrmann has been in this role since January 2022.

Charles W. Nakhleh, Ph.D. Associate Laboratory Director for Weapons Physics (ALDX) Los Alamos National Laboratory. In this role, Dr. Nakhleh has line responsibility for the nuclear weapons designers and simulation code architects at the Laboratory, as well as program responsibility for the NA-11 weapons science, computing, and technology maturation portfolio. Prior to taking on his current role, he was the Executive Officer to the Deputy Director for Weapons (DDW), where he was responsible to the DDW for integrating and aligning activities across the weapons program.