Callaway was invited by Steve Jobs in 2009 to become one of Apple’s first iPad app developers and on launch date in 2010, Callaway reinvented itself for the interactive digital age and produced a suite of award-winning, No.1 bestselling apps including Sesame Street’s There’s a Monster at the End of this Book and Endless ABC. Callaway’s mobile and tablet experiences live at the intersection of art, design, storytelling and education.