Dr. Yoo is a board-certified surgeon who specializes in abdominal organ transplantation in children and adults. He is appointed as Associate Professor in the Department of Surgery, serves as the Program Director of the Yale Surgical Residency, and directs the Yale Surgical Education Research Laboratory.

A native of New York, Dr. Yoo was an undergraduate at Dartmouth College and earned his medical degree at SUNY Stony Brook School of Medicine. He was an intern, resident, and administrative chief resident in the Department of Surgery at Yale. During residency, he completed a post-doctoral research fellowship examining mediators of angiogenesis in hepatic malignancy and obtained support from the National Institutes of Health for his work. After residency, Dr. Yoo was a fellow in organ transplantation at the Hospital of the University of Pennsylvania and the Children's Hospital of Philadelphia. Dr. Yoo directed Yale's programs in Pediatric Kidney Transplantation and the Paired Organ Exchange Program, which notably performed an 18-patient kidney exchange in 2017. He recently became an Associate of the American College of Surgeons Academy of Master Surgeon Educators.

Dr. Yoo's research has focused on understanding and improving the clinical learning environment for surgical residents. His groundbreaking work includes the first major study of attitudes toward pregnancy and parenthood during surgical residency (J Am Coll Surg, 2016), the first national study of sexual harassment in surgical training (Ann Surg, 2020), and numerous manuscripts regarding wellbeing/burnout, the balance between fatigue and safety, and engagement of surgical residents in society. He was recently appointed to chair the Knowledge Assessment Committee of the Transplant Accreditation and Certification Council and is a key leader in the effort to establish tools for specialty certification in Organ Transplantation. He speaks nationally on these topics and serves many national associations and societies in surgery, transplantation, and surgical education.