Judith Eve Lipton, M.D. is a psychiatrist and Distinguished Fellow of the American Psychiatric Association. Lipton has been married for 34 years to David Barash; they have coauthored 7 books, on sex, war, and human nature.
Dr. Lipton retired from the practice of psychiatry in 2009 after 30 years in order to move to Costa Rica to explore its culture and people. She is writing a book about the phenomenon of happiness in Costa Rica, noted to be the happiest country in the world on 3 different international surveys.