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Academics | Research | Faculty | Administration

Division of Gynecologic Oncology Faculty

Krishnansu S. Tewari, MD, FACOG, FACSkrishnansu tewari md, uc irvine gynecologic oncologist

Professor, Department of Obstetrics & Gynecology
Interim Director, Division of Gynecologic Oncology

Dr. Krishnansu Tewari's clinical interests are in the areas of women's health, cancer vaccines and drug discovery for the treatment of gynecologic cancers. His clinical expertise allows him to perform a full array of operative procedures, including advanced da Vinci® robotic surgery, complex laparoscopic surgery, radical pelvic operations and intestinal, urological and fertility-preserving procedures. He is recognized for vaginal reconstruction and other restorative operations.

Tewari is the principal investigator for the Gynecologic Oncology Group's first randomized trial of anti-angiogenesis drugs for cervical cancer. He is also conducting several ovarian cancer clinical trials at UC Irvine Chao Family Comprehensive Cancer Center.

Tewari's research has been funded through grants from the Chao Family Comprehensive Cancer Center and the Gynecologic Oncology Group. He has written numerous book chapters and scientific articles for medical journals, and is also credited for advancing issues surrounding the conduct of cancer in pregnancy for the well-being of both the mother and unborn child. Tewari is President of the Orange County OB-GYN Society.


UC Berkeley, 1990 — BS, molecular biology
UC Irvine, 1994 — MD
UC Irvine, 1998 — Residency, obstetrics and gynecology
UC Irvine, 2002 — Fellowship, gynecologic oncology

Robert E. Bristow, MD, MBA, FACSrobert bristow md, uc irvine gynecologic oncologist

Chair, Department of Obstetrics & Gynecology

Dr. Robert Bristow's clinical expertise includes the surgical management of advanced gynecological cancer, including ovarian, fallopian tube and primary peritoneal cancers.

In addition to the full range of complex surgical procedures, Bristow is also experienced in delivering hyperthermic intraperitoneal chemotherapy (HIPEC) in conjunction with debulking operations. Bristow is also an experienced minimally invasive surgeon with special expertise in robotic hysterectomy and surgical staging for endometrial cancer and cervical cancer.


Pomona College, 1987 — BA, psychology
University of Southern California, 1991 — MD
Johns Hopkins Hospital, 1995 — Residency, obstetrics and gynecology
Cedars-Sinai Medical Center, 1998 — Fellowship, gynecologic oncology
Johns Hopkins University School of Business, 2009 — MBA

philip disaiaPhilip J. DiSaia, MD

Professor Emeritus, Department of Obstetrics & Gynecology

Dr. Philip J. DiSaia is Professor Emeritus of Gynecologic Oncology in the Department of Obstetrics & Gynecology. He is the chair of the Gynecologic Oncology Group (GOG). He is board-certified in both obstetrics and gynecology and gynecologic oncology.

He is well-known for his books "Clinical Gynecologic Oncology" (now in its 8th edition) and "Danforth's Obstetrics and Gynecology."

DiSaia has been honored with many national and international awards, including the Frederick Naftolin Award for Mentorship by the Society for Gynecologic Investigation (SGI), which recognized his contribution to training and career development of investigators in the field of reproductive and women's health.


Brown University, 1959 — BA, biology
Tufts University School of Medicine, 1963 — MD
Yale University School of Medicine, 1967 — Residency, obstetrics and gynecology
University of Texas MD Anderson Hospital, 1971— Fellowship, gynecologic oncology

michael berman, md, uc irvine gynecologic oncologistMichael L. Berman, MD

Professor, Department of Obstetrics & Gynecology

Dr. Michael Berman is interested in improving the management of women with gynecologic cancers and those with complex gynecologic surgical conditions. He is widely recognized as a leader in this field, having developed new surgical procedures for a variety of complex gynecologic conditions, several of which have been published in scientific literature.

He is regularly listed in Good Housekeeping magazine as among the Best Doctors for Women in the U.S. and in The Best Doctors in America: Pacific Region.


University of Maryland, 1963 — BS, physical sciences
George Washington University, 1967 — MD
Colorado General Hospital, 1968 — Rotating internship, surgery
George Washington University, 1969 — Residency, obstetrics and gynecology
Harbor General Hospital, 1974 — Residency, gynecologic oncology
City of Hope National Medical Center and UCLA Medical Center, 1976 — Fellowship, gynecologic oncology

kristine penner, uc irvine school of medicineKristine R. Penner, MD

Assistant Clinical Professor, Department of Obstetrics & Gynecology

Dr. Kristine Penner's research interests within gynecologic oncology lies within two realms: a) fertility preservation for young women with gynecologic or other malignancies and b) disparities in gynecologic cancer care and clinical outcomes according to patient demographics.


UC San Francisco, 2003 — MS, health and medical sciences
UC Berkeley School of Public Health, 2003 — interdisciplinary program, MPH
UC San Francisco School of Medicine, 2005 — MD

leslie randall, md uc irvine gynecologic oncologist

Leslie M. Randall, MD

Associate Professor, Department of Obstetrics & Gynecology
Fellowship Director, Division of Gynecologic Oncology

Dr. Leslie Randall completed her fellowship training at the UC Irvine Division of Gynecologic Oncology in July 2009. As a result, she is skilled in the comprehensive care of women with all gynecologic cancers, providing both medical and surgical cancer treatments. Randall has research interests in the investigation of new cancer treatments and the dissemination of prevention and screening information to the public. She is a member of the Gynecologic Oncology Group and has presented research on their behalf at professional society meetings.


University of Louisville, 1997 — BS, biotechnology
University of Louisville, 2001 — MD
University of Louisville, 2005 — Residency, obstetrics and gynecology
UC Irvine, 2009 — Fellowship, gynecologic oncology

Fabio Cappuccini, MD

Clinical Professor, Department of Obstetrics and Gynecology

Dr. Fabio Cappuccini is a board-certified UCI Health gynecologic oncologist who specializes in the surgical treatment of all gynecological cancers. He is skilled in microinvasive and robot-assisted surgical procedures for early stage endometrial, cervical and ovarian cancers. He also has a particular interest in the research and treatment of ovarian cancer.

Cappuccini is a pioneer in immunotherapy research targeting ovarian cancer and cervical cancer treatment pathways. He also is experienced at debulking surgery to remove all visible signs of ovarian cancer in the upper abdomen.


University of Bologna School of Medicine and Surgery, 1985 - Undergraduate and Graduate Doctor of Medicine 
University of Bologna, 1990 - Residency, obstetrics and gynecology 
UC Irvine, 1998 — Residency, obstetrics and gynecology 
UC Irvine, 2002 — Fellowship, gynecologic oncology