Fadi M. Diya is a seasoned nuclear industry executive who served as Senior Vice President and Chief Nuclear Officer at Ameren Missouri, a subsidiary of Ameren Corporation. In this pivotal role, he oversaw all aspects of operations, engineering, maintenance, and regulatory compliance for the Callaway Energy Center, the company's sole nuclear generating facility and one of the top-performing plants in the United States. With more than 35 years of experience in nuclear power, Diya's career trajectory includes early roles as a nuclear engineer and shift supervisor, advancing to senior leadership positions at major utilities such as Entergy and Exelon. Diya's tenure at Ameren Missouri was marked by exceptional achievements, including leading the Callaway plant to achieve record refueling outage durations, superior capacity factors exceeding 90%, and top decile safety performance metrics. He successfully navigated the plant through extended power uprate projects, license renewal efforts, and stringent post-Fukushima regulatory enhancements, earning industry recognition such as the Nuclear Energy Institute's top awards for operational excellence and emergency preparedness. His strategic initiatives also drove cost efficiencies and fostered a robust safety culture, positioning Callaway as a benchmark for nuclear reliability. Prior to Ameren, Diya held key positions including Vice President of Operations at Arkansas Nuclear One and Plant Manager at Comanche Peak Nuclear Power Plant, where he honed expertise in fleet-wide nuclear oversight and high-stakes crisis management. A graduate of Texas A&M University with a degree in nuclear engineering, Diya's leadership has consistently emphasized innovation, employee development, and unwavering commitment to public safety, leaving an enduring legacy in the nuclear sector.