Head and Neck Surgery

Patrick Ha, MD

Professor and Chief of Head and Neck Oncologic Surgery

Dr. Ha's clinical expertise covers the full breadth of head and neck surgery, including a focus on thyroid and parathyroid surgery, as well as endoscopic laser and transoral robotic approaches for throat cancers. His current area of research is focused on the molecular changes occurring in salivary gland adenoid cystic carcinoma, and he has held multiple NIH grants towards this aim, including a current R01 award. In addition, he serves on the editorial board of several journals including Head and Neck and Oral Oncology. While at Johns Hopkins, he held the role of associate residency program director and won several teaching awards for his work with medical students and residents.


Ivan El-Sayed, MD


Dr. El-Sayed’s clinical focus is skull base surgery and he has developed the minimally invasive program into a nationally recognized program along with his neurosurgical colleagues. The program and center offers a unique capability of providing both endoscopic and open approaches to tailor the approach to the lesion. He has a broad surgical experience having performed over 500 surgical procedures on tumors of the nasal cavity/paranasal sinuses, infratemporal fossa, skull base and pituitary glands in over a decade of experience. He is also interested in the outcomes of research and clinical innovations through novel approach development.


Jonathan R. George, MD, MPH

Assistant Professor

Dr. Jonathan R. George is a surgeon specializing in advanced head & neck cancers at UCSF. His primary areas of focus are advanced thyroid cancer and advanced head & neck melanoma surgery. From an H&N endocrine perspective, his practice offers comprehensive management of thyroid nodules, multinodular goiters, recurrent & locally advanced thyroid cancers, and parathyroid diseases. In melanoma, he provides specialized surgical treatment for H&N melanoma, including wide excision, sentinel lymph node biopsy, and neck dissection, as indicated. As a head and neck surgical oncologist, he offers surgical treatment of all other head and neck cancers, including all upper aerodigestive tract malignancies including throat and oral cancers.

Chase M. Heaton, MD

Assistant Professor

Dr. Chase M. Heaton is a head and neck oncologic and reconstructive surgeon at the UCSF Helen Diller Family Comprehensive Cancer Center. He specializes in treating benign and malignant tumors of the oral cavity, oropharynx, larynx, thyroid, skin and salivary glands. He is fellowship trained in microvascular reconstruction for head and neck cancers. He also has experience in transoral robotic surgery for removal of head and neck tumors. Dr. Heaton is committed to working with patients to develop individualized treatment plans to ensure they get the best possible care.


Marika Russell, MD

Associate Professor

Dr. Russell has a clinical focus in thyroid and parathyroid surgery. She offers comprehensive surgical management of benign thyroid conditions, parathyroid disease and thyroid cancer. She has expertise in thyroid ultrasound and is a national leader in ultrasound education. Dr. Russell is the Chief of Otolaryngology – Head and Neck Surgery at Zuckerberg San Francisco General Hospital where she provides surgical care for benign and malignant tumors of the head and neck with a particular focus on caring for vulnerable patient populations.


William R. Ryan, MD

Associate Professor

Dr. Ryan is skilled in the care and management of patients with benign and malignant tumors of the head and neck and obstructive salivary disease with the appropriate application of robotic, endoscopic, minimally invasive, and traditional surgical techniques. He helps direct the Robotic Head and Neck Surgery program (for TORS: TransOral Robotic Surgery), the Thyroid and Parathyroid Surgery Center, and the Salivary Gland Surgery Center at UCSF. He has specific interests and expertise in thyroid and parathyroid surgery, sialendoscopy/salivary duct surgery, salivary tumor surgery, upper aerodigestive tract surgery (of the oral cavity, oropharynx, hypopharynx, larynx, upper esophagus, and trachea), skin cancer surgery, and regional facial, head and neck reconstruction.

Bonnie Hindle, MPAS, PA-C

Physician Assistant

Bonnie Hindle, MPAS, PA-C (Head and Neck Surgical Oncology) joined the team in 2018. She was a physician assistant for the UCSF Neurospine division from 2015-2017, prior to starting with the OHNS team. She received her master’s degree in Physician Assistant Studies from Texas Tech University. She sees adult patients with head and neck surgery concerns including benign and malignant tumors, thyroid and parathyroid disorders, and salivary gland disorders.



Christian McNeill, PA-C

Physician Assistant

Christian McNeill, PA-C is a Physician Assistant at UCSF Otolaryngology, Head and Neck Surgery. Prior to joining the UCSF otolaryngology team Christian spent eight years as a PA in emergency medicine. Prior to PA training Christian was a paramedic in Oakland and the South Bronx.




Trina Sheedy, PA

Physician Assistant

Trina Sheedy, MMS, PA-C (Head and Neck Surgical Oncology) joined the team as a physician assistant in 2013. She was a medical assistant for the Head and Neck division from 2008-2010 prior to completing her PA training and was eager to return to the practice. She received her master’s degree from Midwestern University in Arizona and completed post-graduate training in emergency medicine. She sees adult patients with head and neck surgery concerns including benign and malignant tumors, thyroid and parathyroid disorders, and salivary gland disorders.