Jack is the Founder of AppleTree Institute for Education Innovation (“AppleTree”) and Board Chair of AppleTree Early Learning Public Charter Schools in DC. As AppleTree’s first CEO, Jack led an innovative, evidence-based nonprofit organization that develops and provides proven early childhood education programs to the most underserved three- and four-year-olds in Washington, DC for nearly 30 years. AppleTree Early Learning PCS is a network of public charter preschools that implement AppleTree’s evidence-based, data-driven, and response-to-intervention model. Jack also serves on the board of the DC Special Education Cooperative. In 2015, Jack was inducted into the District of Columbia Charter School Alliance Hall of Fame for his contributions to the charter school movement and school choice. Jack’s specialties include social entrepreneurship, effective governance, leadership, public policy and issue advocacy, quality improvement, innovation, EdTech and the science of reading.