Dave Schappell Founder & CEO of TeachStreet.com TeachStreet's goal is to create a Marketplace for Lifelong Learning, where people can Teach or Learn Anything. Dave Schappell is the founder & CEO of TeachStreet.com. TeachStreet's goal is to create a Marketplace for Lifelong Learning, where people can Teach or Learn Anything. Prior to TeachStreet, Dave worked at online pioneers Amazon.com and JibJab, and microfinance innovator, Unitus. He has a B.S. in Accounting from the Pennsylvania State University and attended the MBA program at The Wharton School of Business at the University of Pennsylvania.