Dr. Vaibhav Yadav is a scientist at Idaho National Laboratory where he performs and leads several research efforts in the areas of risk, reliability, safety, security, and regulations in nuclear power plants. He performs research in wide ranging areas of Probabilistic Risk Assessment (PRA), dynamic PRA; data-based risk-informed decision-making, risk-based methodologies for cyber and physical security, economics, and digital twins. He has extensive experience in working with US commercial utilities to develop and implement risk-informed computational methodologies for optimizing physical security. He is currently serving as a member of the Physical and Cyber Security Subcommittee of the ANS/ASME Joint Committee on Nuclear Risk Management.