He is a specialist in family medicine, currently working as a doctor at a clinic for chronic fatigue. He graduated from Yonsei University's Wonju Medical School, obtained qualifications to be a family medicine specialist at Severance Hospital, and completed his doctorate in business administration and master's in educational engineering. As a representative of the "Job Stress Research Institute", he is conducting organizational diagnosis and educational consulting on stress while researching <how to adapt to stress and work more vigorously>.

He started his research on 'unknown chronic fatigue' in 2004, and he became interested in the relationship between mental and physical changes and performance, and he began giving related research and lectures. He opened his own professor-designed 'Chronic Fatigue Clinic Practical Lecture for Doctors,' and the 'Korean Chronic Fatigue Society' was established as the number of doctors who completed the course increased to hundreds. He is currently the honorary president of the Korean Society of Chronic Fatigue.

He is active in various fields such as medical treatment, lectures, writing, and broadcasting, and is the no.1 instructor for special lectures for health and stress management and healing. He has lectured at a number of large corporations such as Samsung Electronics, Hyundai Motors, Lotte Group, LG Group, SKT, CJ, and Pulmuone, as well as local governments, universities, academic conferences, and various organizations. His books include 'Your cells are getting sick', 'How many times a day are you happy?', 'Goodbye, Stress', 'Chronic Fatigue Overcoming Project' and others.