Dr. Crowley earned a BS and MS from Stanford University in biological science and continued at Stanford to receive his MD. He completed residency in the Department of Dermatology at Stanford University Affiliated Hospitals, including one year as Chief Resident. He is board certified by the American Board of Dermatology and a Fellow of the American Academy of Dermatology. He has served as clinical faculty for the University of California, Los Angeles, and Stanford University Departments of Dermatology. Dr. Crowley has been principal investigator for over 50 phase II and III clinical trials for psoriasis, atopic dermatitis and hidradenitis suppurativa. He has over 50 peer-reviewed publications including articles in the New England Journal of Medicine. In 2016, he graduated with commendation from the Harvard Global Scholars Clinical Research Training Program, a one year post-doctoral fellowship. He practices at Bakersfield Dermatology and Skin Cancer Medical Group in California.