• Resident, Dept. of Anesthesia, Catholic Univ. of Korea
• Full-Time Doctor, Yonsei Severance Hospital
• Former Director, Dept. of Anesthesia, Miz Medi Hospital
• Member, the Korean Society of Anesthesiologist
• Member, the Korean Pain Society
• Member, the Korean Society of Obstetric Anesthesia
• Member, the Korean Academy of Spondylodynia
• Associate Member, the American Society of Obstetric Anesthesia