Helen Fisher is a biological Anthropologist at Rutgers University. She studies the evolution, brain systems (using functional Magnetic Resonance--fMRI) and cross-cultural patterns of romantic love, marriage, adultery, divorce, gender differences in the brain, personality, temperament, and mate choice. She has written five internationally bestselling books including, Why Him? Why Her?, Why We Love, and Anatomy of Love. Other publications include articles in Journal of Comparative Neurology, Journal of Neurophysiology, Journal of Forensic Sciences, Philosophical Transactions of the Royal Society: Biological Sciences, Archives of Sexual Behavior, Journal of Sex and Marital Therapy, The Journal of NIH Research, The New York Times Book Review, Psychology Today, Natural History, Scientific American, New Scientist, The Chronicle of Higher Education, and books published by Smithsonian Press, Greenwood Press, Columbia University Press, Cambridge University Press, Oxford University Press, MIT Press and Yale University Press. She lectures worldwide; among her speeches are those at the World Economic Forum at Davos, TED, United Nations, Smithsonian and Aspen Institute. For her work in the media, Fisher received the American Anthropological Association's Distinguished Service Award.