Regulatory Services Manager 

Mark Reidmeyer has more than 30 years of commercial nuclear plant experience, ranging from construction, start-up, quality assurance, and engineering support to regulatory compliance.

An engineer by training, Mark served 22 years at Ameren UE's Callaway Nuclear Generating Plant in varying roles and responsibilities, including quality assurance and regulatory licensing and compliance.

Mark has wide-ranging experience across all aspects of nuclear plant systems, operations, and processes. His specialties include Reactor Oversight Program (ROP) process assessment, Limitorque/MOVATS Advanced Systems analysis, licensing documentation, performance indicator reporting, and significance determination process. Also, he is a 10 CFR 50.59 evaluator.

Mark is a certified Lead Auditor who has coordinated two 95001 and three 95002 Supplemental Inspections. He served as compliance lead for Callaway's transition from NRC Region III to Region IV oversight. This transition included NRC inspection coordination, NRC Performance Indication final review and reporting, report-ability determinations, and reporting.

Mark is a member of the American Nuclear Society (ANS), the American Society of Mechanical Engineers (ASME), and the Nuclear Information and Records Management Association (NIRMA). He has served as an NEI/NRC ROP Task Force representation for STARS and RUG IV.