Marina Johnson, MD, FACE is the Founder and Medical Director of the Institute of Endocrinology and Preventive Medicine located in Irving, a suburb of Dallas, Texas. She sees pre-and postmenopausal women many of whom are accomplished CEOs and celebrities who want to be proactive about achieving optimal health. While the majority of her patients are in Texas, she also sees women from all over the country and three continents. Dr Johnson is board-certified in endocrinology and metabolism and in internal medicine. While she has a special interest in menopause, she also treats patients with disorders related to thyroid, growth hormone, premenstrual syndrome (PMS), testosterone, and hyperlipidemia. Dr Johnson earned her undergraduate degree in Pharmacy from the University of Houston. She then became Assistant Editor of the American Hospital Formulary Service-Drug Information (AHFS-DI), a drug reference book published by the American Society of Hospital Pharmacists. AHFS-DI is a non-commercial drug compendium with a long-standing record in evidence-based evaluation of information on drug use. It's been officially adopted by the US Public Health Service and recommended by the American College of Physicians as part of a library for internists. She researched the medical literature and prepared comprehensive monographs on each drug. Dr Johnson earned her MD from the University of California at Los Angeles and completed an internal medicine residency at UCLA/St Mary's Medical Center in Long Beach, California. She completed her fellowship in endocrinology and metabolism at the University of Southern California in Los Angeles. After two years at the City of Hope research hospital she returned to Texas. After one year at Kaiser Permanente in Dallas, she set up her private medical practice. In writing Outliving Your Ovaries, Dr Johnson has utilized her skills as an endocrinologist, pharmacist, and medical writer to research over 450 articles from main-stream peer-reviewed medical journals so that women and their physicians can see there is a sound, scientific basis for her recommendations. Adding her wealth of clinical experience from over two decades of medical practice gives clinical relevance to the book.