Robbie Kellman Baxter is the author of The Membership Economy: Find Your Superusers, Master the Forever Transaction, and Build Recurring Revenue. She is the founder of Peninsula Strategies LLC, a consulting firm based in Menlo Park, CA, that helps companies excel in the Membership Economy. Her clients have included large organizations like Netflix, SurveyMonkey, and Yahoo!, as well as smaller venture-backed start-ups. Over the course of her career, Robbie has worked in or consulted with clients in more than 20 industries.