Drew Nigh is an engineering leader with deep expertise in nuclear safety, probabilistic risk assessment, and regulatory engagement. Currently leading X-energy’s Risk Informed Safety Analysis department, he oversees a multidisciplinary team that uses PRA and safety analysis to inform the design basis for multiple projects. Over the past decade, Drew has built a career at the intersection of analysis and regulations, using probabilistic risk assessments to support operating light water reactors, advancing the design of non-light water reactors, and informing licensing strategies and regulatory guidance for the broader nuclear industry.