Gretchen Rubin is one of today's most influential and thought-provoking observers of happiness and human nature. She has been interviewed by Oprah, walked arm-in-arm with the Dalai Lama, and been an answer on Jeopardy! Gretchen Rubin is the author of many bestselling books, such as The Happiness Project, Better Than Before, and The Four Tendencies, which have sold millions of copies in more than thirty languages. Her most recent book, Life in Five Senses, is also a New York Times bestseller. She's also host of the popular podcast, Happier with Gretchen Rubin, and founder of the award-winning Happier(TM) app, which helps people track their happiness-boosting habits.