David Petty is Education Program Manager of the App Inventor Foundation. He is a former public high-school teacher in Massachusetts. He was a member of the MA Digital Literacy and Computer Science (DLCS) standards review committee to develop the 2016 MA DLCS Framework and the MA DLCS Tests for Educational Licensure® (MTEL 71). For 20 years, David taught multiple levels of high-school computing, engineering, and autonomous robotics curricula, and coached robotics teams. As past Co-President of the Computer Science Teachers Association Greater Boston chapter, he co-founded the CSTA New England Regional Conference in 2017 and has promoted computing generally and standards-aligned curricula for teachers and students across the state and nationally.