紐約時報暢銷繪本作家，也是三座凱迪克榮譽獎的得主。他筆下的《Elephant and Piggie》系列獲得蘇斯博士紀念獎兩度肯定、而繪本《別讓鴿子開公車！》則入選美國獨立書店繪本名人堂。
Mo Willems (www.pigeonpresents.com), a number one New York Times best-selling author and illustrator, has been awarded a Caldecott Honor on three occasions (for Don’t Let the Pigeon Drive the Bus!, Knuffle Bunny: A Cautionary Tale, and Knuffle Bunny Too: A Case of Mistaken Identity). Don’t Let the Pigeon Drive the Bus! was also an inaugural inductee into the Indies Choice Picture Book Hall of Fame. And his celebrated Elephant & Piggie early reader series has been awarded the Theodor Seuss Geisel Medal on two occasions (for There Is a Bird on Your Head! and Are You Ready to Play Outside?) as well as two Honors (for We Are in a Book! and I Broke My Trunk!).