David Osborn is an entrepreneur, public speaker, and author. He is a principal franchisee of Keller Williams, the 19th-largest real estate company in the U.S., which grossed more than $5.2 billion in sales in 2015. A firm believer in the principles of knowledge sharing and giving back, he regularly speaks and teaches on entrepreneurial accountability and contributes to causes such as cancer prevention and clean-water well building with nonprofit organizations. A father of three, David and his wife, Traci, live in Austin, Texas.