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Jessie Jacob, MD, MMM
Medical Director


Dr. Jacob is a board certified, fellowship trained radiologist, a dedicated breast imager and an avid medical writer. Dr. Jacob received fellowship training in Breast Imaging and intervention at Yale University and has directed breast centers in both New York and California. While directing the Breast Health Center at El Camino Hospital in Mountain View, CA, she initiated multiple programs including achieving accreditation as an ACR Breast Center of Excellence, a 3T Breast MRI program and developed the first High Risk Breast and Ovarian Cancer Clinic in Northern California. Dr. Jacob also completed a Masters in Medical Management at the Marshall School of Business (University of Southern California) and has played an instrumental role in the development of ground breaking Breast Imaging technologies. During her tenure as Vice President of Medical Affairs at U-Systems, a General Electric Healthcare Company, she had oversight of the Clinical Research Division and implemented programs to improve quality, training and education of the first FDA approved Automated Breast Ultrasound device for screening women with dense breast tissue.  Subsequently, Dr. Jacob held the global role of Chief Medical Officer of Women's Health for General Electric. As CMO for Women's Health, she lectured globally on  region specific approaches to breast cancer screening, worked on initiatives to advance the space of breast cancer research and education and collaborated with a number of key organizations and governments to further the impact of breast cancer screening and awareness. Dr. Jacob defined and developed FDA approved programs for Tomosynthesis and Automated Breast Ultrasound, which continue to be applied globally. With her passion for delivering high quality breast health and individualized care, Dr. Jacob has maintained an active medical practice. In April 2016, Dr. Jacob accepted the role of Medical Director for Northern California Women's Imaging Center. With her strong attention to detail and relentless drive for quality, Dr. Jacob adheres to the Individualized Breast Health mission of Northern California Women's imaging center. During her free time, Dr. Jacob enjoys spending time with her husband and three children, traveling, cooking and gardening.




Diana Guthaner, MD, FACR

Dr. Diana Guthaner brings more than 30 years of experience to her role as founder and medical director of Northern California Women’s Imaging Center. She received her medical degree from University of Sydney, Australia and then trained in Internal Medicine and Cardiology in Oxford and London, England, receiving her degree as a Member of the Royal College of Physicians (M.R.C.P.). After training in Diagnostic Radiology at St. Bartholomew’s Hospital, London, she joined the Radiology Department at Stanford University Medical Center in 1974 first as a Fellow and then as Faculty in Cardiovascular Radiology until 1986. She completed her degree as a Fellow of the Royal College of Radiology (F.R.C.R.) in London and in America the American Board of Radiology (A.B.R.) and was received as a Fellow of the College of Cardiology(F.A.C.C.) and a Fellow of the College of Radiology(F.A.C.R.). In her academic career Dr. Guthaner directed an active research program with over 80 publications, was involved in teaching and clinical service, was president of the major societies in the field, participated in major meetings, was a journal reviewer and an examiner for the Radiology Board Examinations. 


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