Co-Founder Dave Crusoe has invented and produced a variety of educational and social technologies. He began his career with ThinkQuest for Tomorrow's Teachers, and moved on to complete two degrees through the Harvard Graduate School of Education (TIE & MBE). Prior to co-founding the PLML, he assisted in the startup of a family literacy program, Connecting through Literacy Inmates, Children and Caregivers, designed to establish positive educational relationships between incarcerated parents and their children. He was also an Education Pioneer Fellow with Citizen Schools, where he continues to contribute.

In his off-time, he dotes over a small garden, cooks spicy food, caves with the Boston Grotto, and writes children's books with his wife, Laila.

Co-Founder Robert Sibley has created and directed a broad range of educational programs including ThinkQuest Junior, ScienceQuest, ThinkQuest for Tomorrow’s Teachers and Exploring the Future of Learning at Advanced Network and Services. More recently, he helped develop environmental education programs for Clean Air-Cool Planet, The Connecticut Science Center Collaborative, and the Power of One Foundation.

Robert has served on national education advisory boards, contributed to a college textbook on digital equity in education, and received the 1998 Global Information Infrastructure Award (GII) for Education. He has a Masters degree in Teaching and Curriculum from the Harvard Graduate School of Education.