Dermatology Experts

Justin M Ko

Associate Professor
Stanford University
United States of America


Dr. Ko joined Stanford Medicine in 2012 and serves as Medical Director and Service Chief of Medical Dermatology for Stanford Health Care. He is active in a number of leadership roles within the organization, and is intimately involved in various strategic and operational initiatives at SHC. Dr. Ko spearheads efforts around community outreach, screening and digital health. His passion for early cancer detection improving care delivery drives his efforts and collaborations to leverage advances in machine learning and artifical intellegence to increase the breadth of populations that can be reached. Some of this work is featured in Nature; more details can be found here: Further, he developed and runs a virtual teledermatology care delivery program at SHC; providing virtual visits for established patients and remote consultations for providers within the Stanford network. He welcomes opportunities to discuss and collaborate in these areas of investigation. Dr. Ko has also been driven to find new treatments for alopecia areata, an immune-mediated condition that can progress to total hair loss. He and his team recently completed a seminal study that has help to spur further trials investigating the potential of novel agents in treating alopecia areata: For more information on ongoing clinical trials, please email: [email protected] Dr. Ko sits on the clinical research advisory board of the National Alopecia Areata Foundation. He graduated magna cum laude from Harvard University and worked in investment banking; mergers and acquisitions at JP Morgan before going on to earn a combined medical and business degree at Tufts University. During medical school, he was a member of the Alpha Omega Alpha honor society. Dr. Ko then performed his residency at the Harvard Combined Dermatology Residency Training Program where he served as chief resident in his final year. He is board certified in dermatology by the American Board of Dermatology.

Research Interest

Dermatology, Skin Cancer, Screening for melanoma in high risk patients (family history, red hair, many moles), Psoriasis, Laser Therapy of Medical Skin Conditions, Alopecia Areata, Telehealth.


  • Ko JM, QURESHI AW (2010) Skin and bone: the pathogenetic relationship between psoriasis and psoriatic arthritis. GIORNALE ITALIANO DI DERMATOLOGIA E VENEREOLOGIA145: 393-406

  • Ko JM, Velez N F, Tsao H (2010) Pathways to Melanoma. SEMINARS IN CUTANEOUS MEDICINE AND SURGERY 29: 210-217

  • Ko JM, Fisher DE (2011) A new era: melanoma genetics and therapeutics. JOURNAL OF PATHOLOGY 223: 241-250.

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