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VOLUNTEER FACULTY

Dr. David J. Soffa, M.D. MPA, FACR
Medical Student Instructor in Diagnostic Imaging: When & What to Order

Dr. David Soffa is the Senior Vice President of Medical Affairs for American Imaging Management, Inc. (AIM). He is a board-certified radiologist and an Assistant Clinical Professor of Radiology at the University of California San Francisco. In his role, Dr. Soffa is responsible for Client relations and overall Medical policy.

Dr. Soffa joined AIM in 1999 as Chief Medical Officer, overseeing clinical projects and physician reviewers.

Dr. Soffa’s background includes over 20 years of active clinical practice in radiology, and over 12 years serving in full-time administrative medicine, managed care policy and clinically related business.

After receiving his BS from Wayne State University in Detroit, Michigan, Dr. Soffa earned his MD from the University of Michigan in Ann Arbor, and was also awarded his Masters of Public Administration in Health Services Administration from the University of San Francisco. Dr. Soffa is a Fellow of the American College of Radiology, and a past president of the San Francisco Medical Society.

 

Dr. Sean Cullen, M.D. Assistant Clinical Professor of Radiology
Medical Student Instructor in Neuroradiology

Dr. Cullen is a specialist in the imaging and treatment of vascular disease of the brain and spine. After undergraduate studies at Harvard College and graduate work in philosophy and history of science at the Technical University in Berlin, Germany, he received his M.D. degree from Columbia University’s College of Physicians & Surgeons, where he was elected to Alpha Omega Alpha, the medical honor society. Residency and diagnostic neuroradiology training were completed at Harvard’s Brigham and Women’s Hospital and Massachusetts General Hospital. He then completed a two-year fellowship in neurointerventional radiology at UCSF medical center. Dr. Cullen was also a visiting fellow at Bicetre Hospital in Paris, France and received a master’s degree from the University of Paris. He was a staff neurointerventional radiologist at Brigham and Women’s Hospital and Children’s Hospital Medical Center in Boston, MA. Currently, he is a staff neurointerventional radiologist at Kaiser Permanente’s Northern California regional neuroscience center in Redwood City, CA.

Interests include imaging and treatment of ischemic stroke, cerebral aneurysms, arteriovenous malformations of the brain and spine, vascular anomalies, and pediatric neurovascular disease.

Dr. Cullen is a Senior Member of the Society of Neurointerventional Surgery, and has been a reviewer for numerous publications including Neurosurgery, Stroke, and Interventional Neuroradiology.

 

Dr. Jonathan Posin, M.D., Assistant Clinical Professor of Radiology
Medical Student Instructor in MRI of Head, Neck and Spine

Education:
B.A. cum laude in Engineering and Applied Physics from Harvard University,
M.D. cum laude from Tufts University School of Medicine.
Research Assistant in the Biomedical Engineering Department at University Hospital/Boston University Internship Residency in General Surgery at Tufts-New England Medical Center in Boston,
Residency in Diagnostic Radiology at UCSF
Research Fellow in Magnetic Resonance at the UCSF Radiological Imaging Laboratory
Appointment as an Instructor in Radiology at UCSF

Certification:
Diagnostic Radiology by the American Board of Radiology
Received a Certificate of Added Qualifications in Neuroradiology from the ABR.

Currently:
Member of Bay Imaging Consultants Medical Group
Chief of Radiology at Doctors Medical Center (Pinole and San Pablo campuses)
Medical Director of both the NorthBay MRI Center in Pinole and Open MRI of Pleasanton
Chair of the Information Technology Committee for Bay Imaging Consultants

Publishes and lectures extensively in the field of MR
Member of numerous professional societies.

 

Dr. Charles Rennell, M.D, Clinical Professor of Radiology
Medical Student Instructor in Musculoskeletal Radiology

Education:
Franklin & Marshall College, B.S.
Yale University School of Medicine, M.D.
Radiology Residency, University of Rochester, New York, and Stanford

Currently: Radiologist at Valley Medical Center, San Jose

Hobbies: Golf, skiing, violin

 

Dr. Richard Gross, M.D., Assistant Clinical Professor of Radiology
Medical Student Instructor in Interventional Radiology

Education:
Jefferson College, Philadelphia, Pennsylvania, M.D.
Medical Internship at Harrisburg Polyclinic Hospital, Harrisburg Pennsylvania
Radiology Residency at St. Mary’s Hospital and Medical Center

Certification:
American Board of Radiology, National Board of medical Examiners, Certificate of Added Qualification in Vascular and Interventional Radiology

Memberships: American College of Radiology, American Roentgen Ray Society, California Medical association, Placer-Nevada county medical society,
Radiological society of North America, Society of Cardiovascular and Interventional Radiology, the Western Angiography and Interventional Society

 

Dr. John C. Bennett, M.D., Associate Clinical Professor of Radiology
Medical Student Instructor in General Esophagus Radiology

Education:
University of Notre Dame, B.S.
Northwestern University, School of Medicine, M.D., 1946
Residency in Radiology, Temple University, 1950 - 53
Temple University, School of Medicine, M.S. in Radiology, 1953

Activities:
U. S. Army Medical Corps. , Captain, 1946 -48
General Medical Family Practice, Burlington, Wisconsin, 1948 - 50
UCSF, Instructor in Radiology, 1953 – 1955
Radiologist, St. Mary’s Hospital, San Francisco 1955-1987
Chairman, 1958 – 1982
Chairman Emeritus 1982
Director, Radiology residency Program 1958 – 1982
Director, School of Radiologic Technology 1958 – 1982

Memberships:
San Francisco Medical Society, San Francisco Radiological Society (past President), California Radiological Society (past President), American college of Radiology, Radiological society of north America, American Roentgen Ray Society.

 

Dr. Douglas Sheft, M.D., Clinical Professor of Radiology
Medical Student Instructor in Abdominal Imaging

After graduating from Harvard Medical School Dr. Sheft completed his residency in Diagnostic Radiology at Thomas Jefferson University in Philadelphia. He came to San Francisco courtesy of the United States Army Medical Corps when he was assigned to Letterman General Hospital as Chief of Diagnostic Radiology. The following year he went much further west to Cu Chi, South Viet Nam as the Chief of Radiology at the 12th Evacuation Hospital. He returned to civilian life and academics as a full time faculty member at UCSF in the Abdominal Imaging Section. Along the way he was on the resident selection committee and the host for weekly Grand Rounds.

After several years in academic medicine Dr. Sheft decided that he was much more interested in clinical medicine rather than research and left for an opportunity to start a new private practice group in San Francisco at
St. Francis Memorial Hospital.

Over the years his radiology group has grown and they now also cover St. Mary’s Medical Center, the San Francisco Magnetic Resonance Center as well as 2 other Open MR Imaging offices.

He has continued to teach medical students, radiology residents, and post residency fellows at UCSF and enjoys meeting each new class.

 

Dr. Stanley B. Reich, M.D.
Medical Student Instructor in Cardiopulmonary Imaging

Dr. Stanley Reich's career in medicine has spanned more than 50 years.

A graduate of Cornell University and NYU School of Medicine, Dr. Rich completed his Radiology Residency at NYU in 1949 and became an Assistant Professor at NYU. He is board certified in Radiology and Nuclear medicine.

He came to San Francisco in 1952, and for 20 years was Clinical Professor of Radiology at UCSF, and Chair of Radiology at Mt. Zion Hospital.

In 1972, he moved to Denver to become Professor of Radiology at University of Colorado.

Returning to California in 1977, he joined the staff of UC Davis as Professor of Radiology and Chief of Radiology for the Northern California Veterans Administration clinics, locating at Martinez VA Hospital. During this time, he consulted at UCSF as Clinical Professor of Radiology rom 1977 - 1998. He also has continued to be a consultant in radiology at Travis Air Force Base.

Dr. Reich is a Fellow of the American College of Radiology, American Society of Thoracic Radiology and the American Radium Society.

Dr. Rich has been a dedicated teacher of medical students at UCSF, and a regular attending in the Radiology Learning Center - working first with Dr. Steven ross and then with Dr. henry Goldberg. His sessions on Thoracic Radiology are greatly valued by the students.