Hyejoon Lee is the Founder and CEO of Kai Health. She completed her Bachelor's, Master's, and Ph.D. at Seoul National University College of Medicine, and earned an MBA from the Kellogg School of Management at Northwestern University. She trained at Seoul National University Hospital as an intern, OB/GYN resident, and clinical fellow, and later served as a department head at Maria Hospital, where she also led the International Clinic. Before founding Kai Health, she worked in strategy and AI at Change Healthcare and in APAC business development at Syapse.