Heidi Murkoff is the author of the world's best-selling pregnancy and parenting series, What to Expect, that began with What to Expect When You're Expecting. She is also the creator of WhatToExpect.com and founder of the What to Expect Foundation. Time magazine named Heidi one of the 100 Most Influential People in the World for 2011. In 2005, she was inducted into the Books For A Better Life Hall of Fame.