Mark is currently the Director of Program & Professional Development at the Hamlin School, in San Francisco, California. He taught at elementary, middle, and high school before moving to the administration team. Mark is a Google Certified Teacher and Trainer, and Common Sense Media Ambassador who has supported schools and teachers extend their thoughtful use of educational technology and blended learning as they explore PBL. Mark has worked in US Embassy Schools in Spain, Ecuador, the Dominican Republic, Mexico, Britain, and the Middle East before relocating to California in 2012. He is an accredited school principal and received his B.A. (hon) and B. Ed. from Queen’s University before receiving his Master’s degree from the University of Alabama.