Dr. Kyeong Jin Kim is an Associate Professor in the Division of Endocrinology and Metabolism at Korea University College of Medicine. 

She holds an M.D. and Ph.D., and her research focuses on Korean nationwide big data analyses to investigate clinical outcomes in patients with hyperthyroidism and thyroid cancer. 

She was a lead author and active contributor to the 2025 Korean Thyroid Association clinical guidelines for radioactive iodine therapy in patients with hyperthyroidism, released in May 2025.