F. Joseph Merlino is president of the 21st Century Partnership for STEM Education and PI of the National Center for Cognition and Science Instruction. For the past 19 years, he has served as PI to a number of NSF awards housed at La Salle University impacting nearly 5,000 secondary math and science teachers. These projects include the Math Science Partnership of Greater Philadelphia (2003–2012); the Greater Philadelphia Secondary Mathematics Project, 1998–2003; and the Philadelphia Interactive Mathematics Program (IMP) Regional Dissemination Site, 1992–1998. In addition, he has taught graduate courses in curriculum design.