Seung Hyun Lee is an associate professor at Severance Cardiovascular Hospital in Seoul, Korea, as well as an international proctor of the Perceval sutureless valve system; he has received degrees from Yonsei University College of Medicine in 2001 (M.D.) and Ulsan University College of Medicine in 2013 (Ph.D.), and he completed his residency (2006) and fellowship (2011) at Asan Medical Center. He focuses on the effects of statin treatment on calcification in a rat model; Dr. Lee is a member of the Korea society of Thoracic and Cardiovascular Surgery, the Society of Thoracic Surgeons, and the European Association for Cardio-Thoracic Surgery.