Mo Willems was born on February 11, 1968. After graduating from New York University's Tisch School for the Arts, he spent a year traveling around the world drawing a cartoon every day, which were published in the book You Can Never Find a Rickshaw When it Monsoons. For nine seasons, he worked as a writer and animator for PBS' Sesame Street, where he received 6 Emmy Awards for his writing. During this time, he also served as a weekly commentator for BBC Radio and created two animated series, Nickelodeon's The Off-Beats and Cartoon Network's Sheep in the Big City. While working as head writer for Cartoon Network's Codename: Kids Next Door, he began writing and drawing books for children. He received three Caldecott Honor Awards for Don't Let the Pigeon Drive the Bus! in 2004; Knuffle Bunny: A Cautionary Tale in 2005; and Knuffle Bunny Too: A Case of Mistaken Identity in 2008. He also created the Elephant and Piggie series for Easy Readers, which were awarded the Theodor Seuss Geisel Medal in 2008 and 2009. His drawings, wire sculptures, and ceramics have been exhibited in numerous galleries and museums across the nation. Occasionally he serves as the Radio Cartoonist for NPR's All Things Considered. He voices and produces animated cartoons based on his books with Weston Woods studios. The animated Knuffle Bunny was awarded Best Film during the New York International Children's Film Festival in 2008 and received the Andrew Carnegie Medal in 2007. His title Happy Pig Day made Publisher's Weekly Best Seller List for 2011. In 2012 his title Goldilocks and The Three Dinosaurs made The New York Times Best Seller List. In 2013 his titles: That is Not a Good Idea!, Let's Go for a Drive! and I'm a Frog! made the New York Times Best Seller List. In 2014 The Pigeons Need a Bath! and Waiting Is Not Easy! made the New York Times Best Seller List.