Don Mesibov has worked at a school for emotionally disturbed children, been a middle school English teacher, taught courses on constructivism at local colleges for 22 years, and worked for a teacher’s union. Additionally, he is director of the Institute for Learning Centered Education, an organization he founded in 1995. Dan Drmacich was principal of the nationally renowned School Without Walls in Rochester, New York, a public school, and a member of the New York State Performance Standards Consortium, which requires performance-based assessments and a yearlong project to demonstrate competency for graduation rather than standardized tests. Dan is currently cofounder and coordinator of the Rochester Coalition for Public Education, an organization focused on research-based, progressive school reform and social justice.