Louann Brizendine, M.D., a neuropsychiatrist at the University of California, San Francisco, is the founder of the Women’s and Teen Girls’ Mood and Hormone Clinic. She was previously on faculty at the Harvard Medical School and is a graduate of the Yale University School of Medicine and the University of California, Berkeley, in neurobiology. She has written in professional texts and journals, and she lectures widely to the public and in the media on the female brain. She lives in the San Francisco Bay area with her husband and son.