Mark Denis P. Davis, M.D., is a consultant and serves as chair of the Department of Dermatology at Mayo Clinic in Rochester, Minnesota. Dr. Davis joined the staff of Mayo Clinic in 1997 and holds the academic rank of professor of dermatology, Mayo Clinic College of Medicine and Science. Dr. Davis earned his medical degree (M.S., B.Ch.), from the Royal College of Surgeons of Ireland. His initial training included four years of internal medicine residency based at and coordinated by the hospitals of the Royal College of Physicians of Ireland. He then completed a residency in internal medicine followed by a residency in dermatology at the Department of Dermatology at Mayo Clinic, where he also served as chief resident. He subsequently earned his medical doctorate degree at the National University of Ireland. Dr. Davis’ broad clinical and research interests include complex medical dermatology, hospital dermatology, vascular disorders, including erythromelalgia, skin ulcerations and patch testing/allergic contact dermatitis, and the effect of climate change on skin. In recognition of his contributions to the specialty of dermatology, he received the 2022 Presidential Citation Award, conferred by the American Academy of Dermatology. Dr. Davis is frequently invited to give presentations on his research both nationally and internationally, and he has authored over 250 peer-reviewed journal articles, in addition to multiple abstracts and book chapters. He also edited and coordinated two books detailing the 100-year history of the Department of Dermatology at Mayo Clinic. He serves on the editorial boardsof Mayo Clinic Health Letter and Mayo Clinic Proceedings, and he is leader of the Knowledge Content Board – Dermatology (Adult) for AskMayoExpert. In addition to his clinical and research activities, Dr. Davis has mentored many residents and medical students.

He has received awards for his excellence in teaching from Mayo Clinic School of Medicine (now known as Mayo Clinic Alix School of Medicine). He has also been recognized as Outstanding Faculty in Mayo Clinic School of Continuous Professional Development.

Dr. Davis is an active member of the American Academy of Dermatology,
American Contact Dermatitis Society, European Academy of Dermatology and
Venereology, International Society of Dermatology, and Rheumatologic Dermatology Society.