Our Team

Surgery team in the operating room
Dr. James Lim, a cancer surgeon, has particular expertise in using minimally invasive techniques to remove tumors. He completed advanced training in endocrine surgery at Columbia University Medical Center.

The OHSU Knight Cancer Institute’s head and neck cancer team combines world-class skill with an unmatched commitment to caring for you. Our experts earn top marks in patient satisfaction surveys. In addition, we offer you:

  • Surgeons, radiation oncologists and medical oncologists who work closely with OHSU’s nursing, dental, nutrition, speech pathology and hearing teams.
  • Chemotherapy and radiation therapy doctors who are dedicated to head and neck cancer, uncommon specialization in the Northwest. We also offer you reconstructive surgeons who focus solely on the face, head and neck.
  • Doctors who pursue discoveries in the lab as well as provide care, offering access to a national network of clinical trials.
  • A full range of support services, such as nutrition, rehabilitation and social-service specialists.


Head and neck; sinus and skull base

Peter E. Andersen, M.D., F.A.C.S. Peter E. Andersen, M.D., F.A.C.S., leads a team of doctors, nurse practitioners and speech language pathologists. He strives to develop a cancer treatment plan for each patient that maximizes the chance of cure and minimizes side effects. Dr. Andersen is a surgeon with expertise in minimally invasive techniques and in nonsurgical treatments such as chemotherapy and radiation therapy. He completed a fellowship in head and neck surgery and oncology at Memorial Sloan Kettering Cancer Center.


Daniel Clayburgh, M.D., Ph.D., F.A.C.S. Daniel Clayburgh, M.D., Ph.D., F.A.C.S., works at the OHSU Knight Cancer Institute and at the Portland Veterans Affairs Medical Center. He specializes in head and neck cancer, including squamous cell carcinoma, skin cancer, thyroid and parathyroid disease, and salivary gland cancer. Dr. Clayburgh has advanced training in minimally invasive approaches to the head and neck, including transoral robotic surgery. His research interests include cancer stem cells, and developing new therapies and surgical technology for head and neck cancer. He completed a fellowship in advanced head and neck surgical oncology at the University of Pittsburgh.


Mathew Geltzeiler, M.D. Mathew Geltzeiler, M.D., has expertise in skull base surgery, minimally invasive endoscopic surgery of the nasal passages, and treating nasal and sinus tumors. His research interests include quality of life and outcomes associated with skull base surgery and the sense of smell. Dr. Geltzeiler completed two years of fellowship training at the University of Pittsburgh in advanced head and neck cancer surgery and in advanced skull base surgery.


Timothy Hullar, M.D. Timothy Hullar, M.D. is director of otology, neurotology and skull base surgery in OHSU’s Department of Otolaryngology-Head and Neck Surgery and director of OHSU’s Cochlear Implant Program. He received a Fulbright scholarship to study at the Max Planck Institute in Cologne, Germany, before attending Harvard Medical School. His interests include treating adults and children with hearing loss, tinnitus and imbalance, chronic ear disease, and benign and malignant tumors of the ear and lateral skull base. He runs a research laboratory focusing on cochlear implantation and imbalance.


Ryan J. Li, M.D. Ryan J. Li, M.D., specializes in treating head and neck cancers, thyroid and parathyroid diseases, and performing complex reconstructions of head and neck wounds and deformities. He has advanced training in microvascular reconstruction, which allows tissues from elsewhere on the body to be used in replacing skin, muscle or bone. He completed a fellowship in head and neck surgery-microvascular reconstruction at Stanford University.


Daniel Petrisor, M.D., D.M.D., F.A.C.S. Daniel Petrisor, M.D., D.M.D., F.A.C.S., uses expertise in microvascular reconstructive surgery, head and neck surgery, and oral and maxillofacial surgery to treat patients with head and neck tumors. His advanced training allows for a patient’s own tissues to be used for reconstruction at the same time as cancer surgery. Dr. Petrisor holds a dental degree from OHSU. He earned his medical degree and completed his residency at the University of Texas Southwestern Medical Center. Dr. Petrisor completed fellowships at Louisiana State University Health Sciences Center and at the University of Florida College of Medicine-Jacksonville.

Oral surgery

Thomas W. Albert D.M.D., M.D. Thomas W. Albert D.M.D., M.D., is interested in orthognathic (corrective jaw) surgery, reconstructive surgery and cleft surgery. He received his degree in dentistry from the Harvard School of Dental Medicine and his medical degree from Harvard Medical School. He completed his residency at Massachusetts General Hospital. Dr. Albert is an OHSU professor emeritus of oral and maxillofacial surgery, having taught in that department from 1977 until he joined the OHSU Department of Otolaryngology-Head and Neck Surgery in 2002.

Radiation and medical oncology

Radiation oncology

John Holland, M.D. John Holland, M.D., focuses his care and research on head and neck tumors and thoracic oncology (cancer in organs of the chest). He studies the effects of radiation therapy with and without chemotherapy in hopes of reducing side effects. Dr. Holland completed his residency in radiation oncology at the University of California-San Francisco. He is a multiple recipient of OHSU’s Outstanding Faculty Teacher Award.

Medical oncology

Kathleen Anne Kemmer, M.D. Kathleen Anne Kemmer, M.D., specializes in caring for head and neck cancer patients and breast cancer patients. She maintains a strong interest in general cancer care through working with and teaching residents and fellows. She completed a fellowship in hematology and oncology at OHSU.



Khaled A. Tolba, M.D., M.B.B.Ch. Khaled A. Tolba, M.D., M.B.B.Ch., specializes in lung cancer and cancers of the head and neck. He provides tailored treatments, including immunotherapy and targeted therapies, and helps his patients gain access to clinical trials. Dr. Tolba researches resistance to cancer therapies and how to avoid resistance to increase treatment options for lung cancer patients. He completed a fellowship in hematology-medical oncology at Strong Memorial Hospital-University of Rochester Cancer Center.


Facial plastic and reconstructive surgery

Michael M. Kim, M.D. Michael M. Kim, M.D., focuses exclusively on plastic surgery of the face, head and neck. His areas of expertise include nasal surgery, facial reconstruction after skin cancer surgery, facial nerve reanimation, scar revision, earlobe repair and skin lesion removal. He completed a fellowship in facial plastic and reconstructive surgery at OHSU.


Myriam Loyo Li, M.D. Myriam Loyo Li, M.D., is a facial surgeon with advanced training in facial reconstruction and cosmetic surgery. She also has expertise in minimally invasive procedures and treating facial paralysis. She received surgical training at Johns Hopkins University and advanced training in facial plastics at OHSU.


Tom D. Wang, M.D., F.A.C.S. Tom D. Wang, M.D., F.A.C.S., is the director of facial plastic and reconstructive surgery at OHSU. He has performed more than 10,000 procedures. Dr. Wang focuses exclusively on cosmetic and reconstructive facial surgery. He is widely published in medical literature and internationally recognized as a teacher and leader on the latest techniques in facial plastic surgery. He is past president of the American Academy of Facial Plastic and Reconstructive Surgery. He completed a fellowship in facial plastic surgery at OHSU.

General plastic, reconstructive and microsurgery

Reid Mueller, M.D., F.A.C.S. Reid Mueller, M.D., F.A.C.S., is one of the pioneers in minimally invasive endoscopic surgery in the United States, performing surgery with small hidden incisions and minimal scars. He focuses on facial cosmetic surgery, body contouring and breast reconstruction. Dr. Mueller completed residencies in general surgery and plastic and reconstructive surgery at the University of California-San Francisco.

Ear, nose and throat (otolaryngology) and other specialties

Ear, nose and throat (otolaryngology)

Paul Flint, M.D. Paul Flint, M.D., is chair of the Department of Otolaryngology-Head and Neck Surgery. His interests include treating diseases of the airway; developing procedures to improve voice, swallowing and breathing; and treating movement disorders affecting the head and neck. He completed his residency at the University of Washington. He is a founding member of the Society for Airway Management and is the senior editor of the sixth edition of “Cummings Otolaryngology: Head and Neck Surgery,” considered the definitive textbook for the specialty.


Joshua S. Schindler, M.D. Joshua S. Schindler, M.D., is the medical director of the OHSU-Northwest Center for Voice and Swallowing. His interests include voice, swallowing, breathing and upper airway disorders, and cancer of the upper aerodigestive tract. His research includes early vocal fold cancers, spasmodic dysphonia and other voice disorders, and hoarseness associated with acid reflux. He completed a fellowship in head and neck surgery at Johns Hopkins University.

Voice and speech disorders

Donna Graville, Ph.D. Donna Graville, Ph.D., is the clinical director of the OHSU-Northwest Clinic for Voice and Swallowing. Her interests include voice restoration after laryngectomy and swallowing restoration after treatment for head and neck cancer.


Andrew Palmer, Ph.D. Andrew Palmer, Ph.D., focuses on head and neck cancer rehabilitation and swallowing. His interests include swallowing, voice and quality-of-life outcomes after surgery.

Rachel Bolognone, M.S., C.C.C.-S.L.P. Rachel Bolognone, M.S., C.C.C.-S.L.P., focuses on swallowing disorders, including those associated with head and neck cancer, and diet and swallowing outcomes after chemoradiation.

Carrie Crino, M.S., C.C.C.-S.L.P. Carrie Crino, M.S., C.C.C.-S.L.P., focuses on voice and swallowing disorders, including those caused by head and neck cancer.

Nutrition services

Katherine Bagwell, R.D., L.D., is a cancer dietitian who understands the specific needs of head and neck cancer patients.