Phil Schlemmer, M.Ed., is currently curriculum director for Holland Public Schools in Holland, Michigan. He has been a teacher, administrator, writer, consultant, and curriculum designer since 1973, and during that time has written ten books. His main areas of expertise are differentiated instruction, project-based learning, and instructional innovation. Throughout his career he has focused his efforts on helping students become self-directed, lifelong learners.
Dori Schlemmer designed and developed specialized resource materials for students and staff and worked as the high school career resource technician for the Kentwood, Michigan, Public Schools. For over three decades, she collaborated with her husband Phil researching, writing books, and presenting workshops for educators. Until her death in May 2010, Dori lived with Phil in Kentwood, Michigan.