Gretchen Rubin is the bestselling author of The Happiness Project and Happier at Home, and is currently working on her latest book, Before and After, scheduled for release in 2015. She is considered one of the most influential writers on happiness today, and has become an in-demand speaker and keynoter, having addressed myriad audiences, including Google employees, Yale Law School students and South by Southwest attendees. Gretchen has also made appearances on the Today show, CBS Sunday Morning and Booknotes. You can read about Gretchen's adventures and habits on her blog at GretchenRubin.com.