Our Faculty

2025 OHSU Dermatology Faculty Photo

Clinical faculty

Melissa Adair, B.S.N., D.N.P.

Assistant Professor of Dermatology

Specialties/Interests: Hair loss disorders, rashes, skin cancer

Anna A. Bar, M.D.

Professor of Dermatology

Co-director, Mohs micrographic surgery

Specialties/Interests: Dermatologic surgery, Mohs micrographic and reconstructive surgery, laser and cosmetic surgery

Amanda Arreola, M.D.

Instructor of Dermatology

Cutaneous Oncology Fellow

Specialties/interests: Dermatologic surgery

Elizabeth Berry, M.D.

Associate Professor of Dermatology

Director, Multidisciplinary Pigmented Lesion Clinic

Specialties/Interests: Melanoma, pigmented lesions, cutaneous oncology, general dermatology

Natoya Carruthers, P.A.-C.

Instructor of Dermatology

Specialties/Interests: General dermatology, hidradenitis suppurativa

Sam Christensen, P.A.-C.

Instructor of Dermatology

Specialties/Interests: General dermatology

Lara Clayton, M.P.A.S., P.A.-C.

Assistant Professor of Dermatology

Specialties/Interests: Pediatric dermatology, general dermatology, skin cancers, melanoma, atopic dermatitis

Scott Collins, M.D.

Adjunct Assistant Professor of Dermatology

Specialties/Interests: Complex medical dermatology

Julie Dhossche, M.D.

Associate Professor of Dermatology

Director, Dermatology Residency Program

Associate Director, Pediatric Dermatology Fellowship Program

Specialties/Interests: Pediatric dermatology, inflammatory skin disease, hemangiomas, birthmarks, advocacy, education 

Nicole Fett, M.D.

Professor of Dermatology

Specialties/Interests: Autoimmune connective tissue diseases (including lupus, dermatomyositis, morphea and systemic sclerosis), vasculitis, autoimmune blistering diseases and complex medical dermatology

Rebecca Foreman, M.D.

Assistant Professor of Dermatology

Erin Foster, M.D., Ph.D.

Associate Professor of Dermatology

Specialties/Interests: Complex medical dermatology, medical dermatology, cosmetic dermatology, autoimmune blistering diseases, patient-centered decision making

Tracy Funk, M.D.

Associate Professor of Dermatology

Pediatric Dermatology Division Head

Specialties/Interests: Pediatric dermatology, genetic skin disorders, eczema, birthmarks (hemangiomas, port-wine stains, congenital nevi and others)

Teri Greiling, M.D., Ph.D.

Associate Professor of Dermatology

Vice-Chair of Dermatology

Associate Program Director of Dermatology Research

Director of Telehealth in Dermatology

Specialties/Interests: General and complex dermatology, autoimmune diseases of the skin (lupus, dermatomyositis, morphea, scleroderma, blistering diseases)

Jon M. Hanifin, M.D.

Professor Emeritus of Dermatology

Specialties/Interests: General dermatology, atopic dermatitis (eczema), clinical research

Noah Hornick, M.D., Ph.D.

Assistant Professor of Dermatology

Specialties/Interests: General dermatology, dermatologic research, oncodermatology

Angela Jiang, M.D.

Assistant Professor of Dermatology

Specialties/Interests: Dermatopathology, general dermatology, nail disorders

Jesse Keller, M.D., M.C.R.

Associate Director, Dermatology Residency Program

Associate Professor of Dermatology

Specialties/Interests: General dermatology, inpatient dermatology, complex medical dermatology

Alfons L. Krol, M.D., F.R.C.P.C.

Professor Emeritus of Dermatology

Director, Pediatric Dermatology

Specialties/Interests: Pediatric dermatology, hemangiomas and vascular anomalies, genetic skin disorders, atopic dermatitis (eczema), pediatric psoriasis

Rajan Kulkarni, M.D., Ph.D.

Professor of Dermatology

Lab Leader, Kulkarni Lab

Specialties/Interests: Skin cancers, melanoma, molecularly-based personalized approaches to cancer care

Sancy A. Leachman, M.D., Ph.D.

Adjunct Professor of Dermatology

Specialties/Interests: Skin cancers, melanoma, public health outreach

Justin J. Leitenberger, M.D.

Associate Professor of Dermatology

Co-director, Mohs micrographic surgery

Specialties/Interests: Dermatologic surgery, Mohs micrographic and reconstructive surgery, laser and cosmetic surgery

Jesse Y. Liu, M.D.

Assistant Professor of Dermatology

Specialties/Interests: General dermatology, skin cancers

Olivia Lucero, M.D.

Assistant Professor of Dermatology

Co-director, High-Risk Non-Melanoma Clinic

Specialties/Interests: Mohs micrographic and reconstructive surgery, basic science research (Druker Lab)

Stephanie Mengden Koon, M.D.

Associate Professor of Dermatology

Director, Dermatopathology Fellowship Program

Specialties/Interests: Dermatopathology

Lynne H. Morrison, M.D.

Professor Emerita of Dermatology

Christina Oleson, P.A.-C.

Instructor of Dermatology

Clinical Program Director of Contact Dermatitis Clinic

Specialties/Interests: General dermatology, skin cancer and skin cancer screenings, acne, rosacea

Heather Onoday, R.N., M.N., F.N.P.

Associate Professor of Dermatology

Specialties/Interests: Surgical dermatology, general dermatology, cosmetic dermatology and laser procedures

Alex Ortega Loayza, M.D., M.C.R.

Interim Chair of Dermatology

Professor of Dermatology

Specialties/Interests: General dermatology, sarcoidosis, complex medical dermatology, psoriasis, rosacea, pyoderma gangrenosum

Tracy Petrie, Ph.D.

Instructor of Dermatology

Specialties/Interests: Data science, imaging, MoleMapper App

Jordan E. Praytor, P.A.-C.

Instructor of Dermatology

Specialties/Interests: Follicular occlusion diseases, acne, high-risk skin cancer screening, cosmetic dermatology

Phoebe Rich, M.D.

Adjunct Professor of Dermatology

Director, Nail Disorders Clinic

Specialties/Interests: Nail disorders

Ravikant Samatham, Ph.D.

Instructor of Dermatology

Specialties/Interests: Biomedical engineering, imaging, data science, MoleMapper App

Kim B. Sanders, P.A.-C.

Associate Professor of Dermatology

Medical Director, Department of Dermatology

Specialties/Interests: General dermatology, skin cancers and skin cancer screenings, medical laser treatments

Kathryn Schwarzenberger, M.D.

Professor of Dermatology

Director, Contact Dermatitis Clinic

Specialties/Interests: General and complex dermatology, allergic contact dermatitis, skin conditions related to underlying medical conditions

Eric Simpson, M.D., M.C.R

Professor of Dermatology

Director, Clinical Research

Specialties/Interests: General dermatology, atopic dermatitis (eczema), skin cancer, clinical studies for the treatment and prevention of eczema

Alison Small, M.D.

Associate Professor of Dermatology

Associate Director, Pediatric Dermatology Fellowship Program

Specialties/Interests: Pediatric dermatology, genetic skin disorders, atopic dermatitis (eczema), hemangiomas and vascular birthmarks

Frances J. Storrs, M.D.

Professor Emerita of Dermatology

Specialties/Interests: contact dermatitis, medical dermatology, complex dermatology, atopic dermatitis (eczema),

Susan Tofte, D.N.P., M.S., F.N.P., D.N.P. 

Professor Emerita of Dermatology

Specialties/Interests: General dermatology, atopic dermatitis (eczema), melanoma & skin cancers

Kevin P. White, M.D.

Professor of Dermatology

Director, Dermatopathology

Specialties/Interests: General dermatology, dermatopathology

Wesley Yu, M.D.

Associate Professor of Dermatology

Specialties/Interests: Mohs micrographic surgery, reconstructive surgery

Basic science research

Molly Kulesz-Martin, Ph.D.

Professor Emerita

Noah Hornick, M.D., Ph.D.

Assistant Professor of Dermatology

Specialties/Interests: Oncodermatology

Rajan Kulkarni, M.D., Ph.D.

Research Professor of Dermatology

Lab Leader, Kulkarni Lab

Sancy A. Leachman, M.D., Ph.D.

Adjunct Professor of Dermatology

Specialties/Interests: Skin cancers, especially melanoma, pigmentary disorders such as vitiligo, genetic disorders such as pachyonychia congenita, Cowden syndrome, and other cutaneous cancer syndromes

Yuangang Liu, Ph.D. 

Adjunct Research Assistant Professor of Dermatology

Philippe Thuillier, Ph.D.

Assistant Professor of Dermatology

Clinical joint appointments

Susan Guerin, M.D.

Clinical Instructor, Pathology & Laboratory Medicine, 

Alison Skalet, M.D., Ph.D.

Associate Professor of Ophthalmology, Casey Eye Institute

Reid F. Thompson, M.D., Ph.D.

Assistant Professor of Radiation Medicine, Assistant Professor of Biomedical Engineering

Cristian Valenzuela, M.D.

Assistant Processor, Division of Surgical Oncology

John T. Vetto, M.D., F.A.C.S.

Professor of Surgery, Division of Surgical Oncology

Tom D. Wang, M.D., F.A.C.S.

Professor of Otolaryngology - Head and Neck Surgery, Director of Facial Plastic and Reconstructive Surgery

Research joint appointments

Lisa Coussens, Ph.D.

Professor of Cell, Developmental and Cancer Biology, Associate Director for Basic Research, OHSU Knight Cancer Institute

Steven L. Jacques, Ph.D.

Clinical Professor, Biomedical Engineering

Amy Moran, Ph.D.

Associate Professor, Cell, Developmental and Cancer Biology

Joshua Moreau, Ph.D.

Assistant Professor, Oncological Sciences

Jeffrey Nolz, Ph.D.

Associate Professor, Molecular Microbiology and Immunology

Naoki Oshimori, Ph.D.

Assistant Professor of Cell, Developmental & Cancer Biology, Dermatology, and Otolaryngology Head & Neck Surgery

Megan Ruhland, Ph.D.

Assistant Professor, Department of Cell, Developmental and Cancer Biology

Melissa Hirose Wong, Ph.D.

Associate Professor and Vice Chair of Cell, Developmental & Cancer Biology