Yannan Sun is a Principal Data Scientist at Oncor Electric Delivery, currently supporting the West Distribution Operation Center. She has previously contributed to Asset Management and Transmission Planning, playing a key role in advancing data analytics use cases across Oncor. Dr. Sun specializes in machine learning, data-driven decision-making, and process optimization, leveraging Lean Six Sigma methodologies to drive efficiency and innovation. Before joining Oncor, she was a Senior Scientist in the Electricity Infrastructure group at Pacific Northwest National Laboratory (PNNL), where she spent seven years working on grid analytics and power system research. Dr. Sun is a recognized leader in the IEEE Power & Energy Society (PES), having served as Chair of the Subcommittee on Big Data & Analytics for Power Systems and currently as the Technical Committee Program Chair of the IEEE PES Analytic Methods for Power Systems (AMPS) Committee.