Marcel Geor serves as senior product manager for the precise time portfolio within the Research and Development Communications and Cyber Security division at Schweitzer Engineering Laboratories, Inc. (SEL). With over 18 years of experience working with frequency and time synchronization, Marcel collaborates with power utilities and industry partners to develop resilient frequency and time-synchronization products, architectures, and best practice guidance. He is a member of IEEE and PES, has authored and contributed to multiple technical publications and articles, and supports international standards efforts to help shape the future of safe, reliable, and economical power systems.