Robert Dillman, M.D.
Executive Medical and Scientific Director of Hoag Cancer Center

Robert O. Dillman, M.D. is the Executive Medical and Scientific Director of Hoag Cancer Center in Newport Beach, CA, where he has been since 1989. Prior training and experience included a BA from Stanford, MD and internal medicine residency and chief residency at Baylor College of Medicine, and hematology and oncology fellowship at the University of California San Diego (UCSD). He is board certified in internal medicine, medical oncology, and hematology. Before coming to Hoag, Dr. Dillman was Assistant Director of the UCSD Cancer Center and Chief of Hematology/Oncology at the San Diego VA Medical Center, then Director of Experimental Clinical Oncology and Associate Director of the Ida M. Green Cancer Center of Scripps Clinic and Research Foundation in La Jolla, California.

Since coming to Orange County in 1989 he has been a Clinical Professor of Medicine at UC Irvine. Dr. Dillman has authored or co-authored more than 270 scientific articles, reviews, book chapters, and monographs. He is recognized internationally for his work in lung cancer and cancer biotherapy, including monoclonal antibodies, interleukin-2, adoptive cellular therapy and autologous cancer cell vaccines. Dr. Dillman is a highly regarded medical educator, having delivered more than 700 invited lectures throughout the US and in 10 foreign countries.

He delivered the Plenary Address entitled Monoclonal Antibodies in the Treatment of Human Malignancy at the 11th International Conference on Human Antibodies and Hybridomas held in Dublin, Ireland in 2004.

Dr. Dillman served as Chairman of the Cancer Biotherapy Research Group (1990-1999), President of Orange County American Cancer Society (1991-1993) President of the Inter-American Society for Chemotherapy (1997-1999), and President of the International Society for Biological Therapy of Cancer (2000-2002). He has chaired or co-chaired 15 national or international educational symposia.

From 1992-2008 Dr. Dillman has been listed in every edition of the Best Doctors in America, and in 1992 became the first hematologist or oncologist in Orange County, California to be so selected by peers. In addition, he has been named as a “Top Doctor,” “Top Physician,” “Best Doctor,” and “Physician of Excellence” in Orange County, California. In 2006 he was named “Orange County Physician of the Year” by the Orange County Medical Association.

During his tenure as Medical Director of Hoag Cancer Center, the five-year relative survival rate for Hoag patients with invasive cancer has improved from 58 percent to 76 percent, and improved much more rapidly than has occurred nationally.

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