Mimi Winsberg is a Stanford-trained psychiatrist with twenty-five years of clinical experience. She is a cofounder of the telehealth startup Brightside and has been the on-site psychiatrist at the Facebook Wellness Center. Winsberg appears regularly on Good Morning America, and her work has been featured in GQ, Glamour, Fast Company, Bloomberg BusinessWeek, and Business Insider. She has a B.A. in Neuroscience from Harvard College. Speaking in Thumbs is her first book.