Bradley J Adams

Bradley J Adams is a retired nuclear executive with 40 years of experience in executive and managerial roles within the commercial nuclear power industry. He has significant experience in team-driven environments, focusing on setting, achieving, and maintaining high levels of performance. His career expertise includes fleet executive management, leadership development, design engineering, project and new construction management, merger integration, regulatory compliance, and contract administration. He demonstrates excellent verbal and written communication skills.

Brad was inducted as an American Nuclear Society (ANS) Fellow in 2021, a prestigious honor recognizing outstanding accomplishments in advancing the science or art of nuclear technology. Induction as an ANS Fellow is the highest membership grade awarded by the Society.

Sam Belcher

Sam Belcher brings over 30 years of progressive operational experience, demonstrating the capacity to lead large, complex facilities and organizations. In his last role, he led a team of nearly 10,000 employees and was responsible for generating, transmitting, and distributing electricity to 6 million customers. He oversaw $3 billion in annual capital investments, including routine maintenance, system upgrades, and large project development to improve reliability and the resiliency of the electric system across five states, meeting increasing customer and regulatory expectations. He was responsible for all facets of operations, maintenance, and construction, and was accountable to state and federal regulatory agencies to ensure prudent investments were made to benefit customer reliability while ensuring profitability and expected shareholder returns.

Belcher has served as the Chief Nuclear Officer of a four-unit nuclear fleet, responsible for the safe generation of electricity using specialized nuclear technology. His operations experience is broad and includes obtaining a Senior Reactor Operator’s license from the Nuclear Regulatory Commission. He has served in many roles, from daily hands-on operation of the facility from the control room to setting the overall strategic direction of a facility and ultimately multiple facilities.

He has demonstrated the ability to ingrain safety as a core value and deliver reliability across multiple facilities.

An engineer by education, Belcher maintains a Professional Engineer’s license in Arkansas.

Paul Fessler

Paul Fessler, a retired Senior Vice President and Chief Nuclear Officer at DTE, has over 40 years of experience in the nuclear power industry. At DTE, an electric utility serving 2.2 million customers in Southeastern Michigan, Fessler led the company’s nuclear operations, including the 1,200-megawatt Fermi 2 Nuclear Power Plant.

Fessler’s career at DTE began in 1976 as an associate engineer. Over the years, he advanced to various leadership roles in operations, engineering, maintenance, and training. He became Director of Nuclear Operations in the Nuclear Generation Fermi 2 Organization, responsible for all operations at DTE’s nuclear facility. Additionally, he was Vice President of Fossil Generation, responsible for the operation of the company’s fossil-fueled electric power plants, including engineering and capital projects. Most recently, he was Senior Vice President of Electrical Operations, responsible for the operation of DTE’s fossil generation, distribution operations, and distribution engineering organizations.

Paul is a registered professional engineer and a current member of the Engineering Society of Detroit and the American Nuclear Society. He served on the EPRI Generation Executive Committee, AEIC Power Generation Committee, and the University of Michigan Tauber Institute Advisory Board.

He was selected as the sole U.S. representative for International Atomic Energy Agency (IAEA) missions to review reactor operations for Russian and East German nuclear reactors. He also served on the Safety Review Board for the Clinton Nuclear Power Plant. Fessler has held Senior Reactor Operator licenses for multiple nuclear facilities.

Joe Grimes

Joe Grimes brings a wealth of experience in the energy sector, having held senior executive roles in both nuclear and non-nuclear organizations. His leadership portfolio includes overseeing the construction and operation of various energy facilities, such as nuclear power stations, combined cycle gas plants, solar, biogas, combined heat and power units, hydro, pumped storage, and coal facilities.

David Hamilton

David Hamilton was the Chief Operating Officer and Chief Nuclear Officer for Energy Harbor, responsible for overseeing the safe and reliable operation of the nuclear and coal electrical generation segment, including over 33 million megawatt hours of carbon-free generation at four nuclear units in Ohio and Pennsylvania. His responsibilities as COO included an executive role on the company’s Retail Development Committee and key oversight of Energy Harbor’s shared services organizations. Recognized as an industry leader, David has held several advisory roles for both technical and business operations for various industry corporations and organizations.

In March 2024, Energy Harbor successfully completed its sale to and acquisition by Vistra Energy; David was Energy Harbor’s integration lead through this transition. Prior to Energy Harbor, David was the Chief Nuclear Officer for the FirstEnergy Nuclear Operating Company (FENOC). Other executive positions held within FENOC include Site Vice President of the Perry Nuclear Power Plant, General Plant Manager of the Perry Nuclear Power Plant, and Director of Fleet Project Management. Before joining FirstEnergy, David worked for Entergy at Waterford 3 Nuclear Station, where he was Nuclear Safety Assurance Director, and at Palisades Nuclear Plant as General Manager of Plant Operations.

David also worked for Exelon Generation (now Constellation Energy) at Limerick Generating Station, Peach Bottom Atomic Power Station, and Quad Cities Station in various management roles. David has a master’s degree in business administration from the University of Delaware, a bachelor’s degree in nuclear engineering from Pennsylvania State University, and holds a Senior Reactor Operator License Certification.

Andrew C. Kadak

Dr. Andrew C. Kadak has a diverse background, ranging from day-to-day nuclear plant operations to senior executive utility management to teaching in the Nuclear Science and Engineering Department at the Massachusetts Institute of Technology. Dr. Kadak has led license renewals for operating reactors, systematic evaluations of older plants to demonstrate compliance with new regulations, financial rate proceedings to secure adequate capital for safe operation, innovative fuel purchase agreements, and high-level nuclear waste disposal and storage solutions.

His technical expertise includes directing regulatory strategies addressing reactor vessel embrittlement, safety analyses, boiling water reactor pipe replacements, and managing the aging of nuclear plants. He currently consults on the decommissioning of nuclear plants and has served on safety review boards for nuclear utilities.

Dr. Kadak also served on the Senior Nuclear Safety Oversight Board of the Daya Bay Nuclear Power Stations in Guangdong Province and the Ningde Nuclear Plants in China. Internationally, he participated in an IAEA inspection of the Onagawa Nuclear Power Station after the Fukushima nuclear accident. Dr. Kadak was formerly President and CEO of the Yankee Atomic Electric Company (YAEC), which operated the Yankee Atomic Nuclear Power Station. He was President of the American Nuclear Society from 1999 to 2000. He has served as a board and executive committee member of the Nuclear Energy Institute and the industry’s Advisory Committee on High-Level Waste. He has also served on various nuclear industry committees, including Edison Electric Institute, Electric Council of New England, and the Electric Power Research Institute.

In 2005, Dr. Kadak was appointed by President Bush to serve on the U.S. Nuclear Waste Technical Review Board for two four-year terms. From 1998 to 2010, Dr. Kadak was a Professor of the Practice in the Nuclear Engineering Department at the Massachusetts Institute of Technology. His research interests include the development of advanced nuclear systems. He is currently a consultant to the Diablo Canyon Independent Safety Committee.

Brian Sullivan

Brian Sullivan is a nuclear energy executive with extensive industry experience. As Vice President of Engineering at Fermi Nuclear Power Station, he led the recovery from INPO special focus to monitoring status and closed out the NRC Confirmatory Action Letter related to the torus recoat project. At Pilgrim Nuclear Power Station, he guided recovery efforts from ROP Column IV to Column I, closing out related confirmatory actions. At James A. FitzPatrick Nuclear Power Station, he achieved INPO 1 status, focusing on organizational effectiveness and operational excellence, achieving two breaker to breaker operating cycles. He also testified as a subject matter expert at the Atomic Safety Licensing Board hearing for Pilgrim’s 20-year license extension and held an SRO license at Pilgrim.

George Vanderheyden

With over 40 years in the nuclear industry, George Vanderheyden has 26 years of experience managing 27 Generation 2 and 3 U.S. nuclear reactors and 17 years specializing in the development of Generation 3+ and 4 advanced nuclear energy projects.  As Vice President at Exelon, he oversaw nuclear operations across the eastern U.S., developing and implementing proprietary management models that achieved industry-leading performance.  He later worked for the largest nuclear operator in the world, Electricity de France, where he was serving as CEO and Chief Nuclear Officer of a U.S. based joint venture with Constellation Energy, pursuing the development of Generation 3+ nuclear technology.

As CNO of the Emirates Nuclear Energy Corporation (ENEC), he was responsible for all nuclear aspects of the $30B+ and 20,000 personnel ENEC Barakah Project in the UAE, the largest nuclear development outside China, He also served as CEO of Nawah where he was responsible for establishing the Nuclear Operating Company, which now operates three (soon four) of the largest Gen 3+ reactors in the world.

Most recently, he served as CNO and Senior Vice President of Commercial Operations at X-energy, where he led the licensing, development, and construction of the Xe-100 Generation 4 modular reactors under the U.S. Department of Energy’s Advanced Reactor Development Program.  He retired in April 2023 after a distinguished career in advancing nuclear technology and operations.