Dr. Hang Lak Lee is the best professor in gastroenterology at Hanyang University Seoul Hospital has rich experience in the digestive system. He is an expert in the gastrointestinal tract, colonoscopy, endoscopic muscular resection, polypectomy, endoscopic hemostasis, and endoscopic ultrasonography. Also, he has vast experience treat Crohn’s disease.

Dr. Sung Yul Park completed a Bachelor of Medicine at the Hanyang University and gained his Master of Medicine at the same University, where he began his medical education. Also, he obtained his Doctor of Medicine at the Hanyang University and trained in the endoscopy room at Kyusu University in Japan. Dr. Hang is a knowledgeable specialist who finds an individual treatment method for each patient.

He is currently an academic member of the Korean Gastrointestinal Endoscopy Society, a member of the Computational Information Committee, a member of the Computational Information Committee of the Korean Upper Gastrointestinal Society, and the world Journal of gastrointestinal endoscopy editor.

Thanks to her high professionalism, excellent knowledge Dr. Hang Lak Lee is a winner of academic activities and awards, such as:

- Academic Award from the Korean Ministry of Commerce, Industry, and Energy of the Helicobacter Society
- Research award from the Korean Ministry of Commerce, Industry, and Energy of Helicobacter Society
- Hanyang University Researcher of the Month Award