Dr. Brigitte M. Ronnett is Professor of Pathology and Gynecology & Obstetrics at The Johns Hopkins University School of Medicine and Hospital, Baltimore, MD. She is a diagnostic pathologist and clinical researcher whose accomplishments in clinical service, education and research have established her as a nationally and internationally recognized expert in gynecologic pathology. Dr. Ronnett graduated from Northwestern University, Evanston, IL (B.A. chemistry, 1982). She received her medical degree from the University Of Chicago Pritzker School Of Medicine, Chicago, IL (M.D., 1986). She completed residency training in anatomic and clinical pathology at The Johns Hopkins Hospital, Baltimore, MD, (anatomic: 1986-1989; clinical: 1991-1993). She also completed a 1-year surgical pathology fellowship at Memorial Sloan-Kettering Cancer Center, New York, NY (1989-1990) and a 1-year surgical pathology fellowship/chief residency at The Johns Hopkins Hospital, Baltimore, MD (1990-1991). She then completed a 2-year subspecialty fellowship in gynecologic pathology at The Johns Hopkins Hospital, Baltimore, MD (1993-1995). She joined the faculty of the Department of Pathology at The Johns Hopkins Hospital in 1995 and achieved the rank of Full Professor in 2007. Her clinical efforts are focused on a large gynecologic pathology consultation practice at The Johns Hopkins Hospital. Her research efforts have focused on the following topics: 1. ovarian mucinous tumors (distinction of primary and metastatic mucinous tumors in the ovaries, the origin of pseudomyxoma peritonei in women), 2. uterine cervical and endometrial pathology (HPV-related cervical lesions, ancillary techniques for distinction of endocervical and endometrial adenocarcinomas and subtyping of endometrial adenocarcinomas), and 3. hydatidiform moles (ancillary techniques for refined diagnosis).