Mr. Seong Lok Choi is responsible for the development of NREL eGridGPT for real-time grid operation both EMS & ADMS, Digital Twin technology, and cybersecurity, shaping the control room of the future. Prior to NREL, Mr. Choi was an EMS support and software architect with the Western Electricity Coordinating Council (WECC) and Peak Reliability Coordinator (PeakRC), and he was with Ameren as a software developer. Mr. Choi is currently working towards a doctoral degree at the University of Michigan and holds a graduate degree from Washington University in St. Louis, Missouri.