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Dr. Zhana Vrangalova is the creator of the Casual Sex Project, a website where people share their true stories of hookups. She is also a New York City-based sex researcher, educator, writer, and frequent media consultant. She holds a PhD in Developmental Psychology from Cornell University, and studies casual sex, non-monogamy, and sexual orientation. She teaches Human Sexuality at NYU, blogs for Psychology Today, and tweets obsessively about new sex research.