Gretchen Rubin is a prominent author, podcaster, and founder known for her insightful observations on happiness and human nature. As the founder of Gretchen Rubin Media since 2020, she has built an ecosystem of products and tools aimed at helping individuals become happier and more productive. She is the author of seven New York Times bestsellers, and her popular podcast, "Happier with Gretchen Rubin," boasts over 220 million downloads.