Josh CaldwellJosh Caldwell is a K-8 education program manager for Code.org where he develops curriculum that brings the beauty of computer science to K-8 students. He's also an open source advocate who works with individuals and small businesses. Caldwell was preiously a middle school teacher who developed and taught computer science (CS) and robotics courses that focused on using project-based learning to connect CS to students' interests and local issues. Read More Read Less