Stephen J. Valentine (@sjvalentine) is an educator, school leader, writer, and serial collaborator. He serves as the assistant head, Upper School, and director of Academic Leadership at Montclair Kimberley Academy Dr. Reshan Richards ( @reshanrichards) is an educator, researcher, and entrepreneur. An adjunct assistant professor at Teachers College, Columbia University, Reshan is also the chief learning officer and cofounder of Explain Everything