Dr. Yoo is an assistant professor in the Department of Dermatology at Northwestern University's Feinberg School of Medicine. He received his undergraduate degree from the University of Pennsylvania and his medical degree from Yale University School of Medicine. After completing his internship at the Brigham and Women's Hospital of the Harvard Medical School, he did his dermatology residency at Johns Hopkins School of Medicine, where he served as chief resident. Dr. Yoo performed his fellowship in Mohs/Procedural Dermatology at the University of California, San Francisco.

His areas of expertise are in Mohs micrographic surgery and reconstruction, laser surgery, ambulatory phlebectomy, endovenous ablation, liposuction, hair transplant, botox and fillers. He is the director of the Transplantation Skin Cancer service at Northwestern Memorial Hospital.