Robert Semper, the Exploratorium’s Executive Associate Director and Director of Program, coordinates the museum’s overall program direction as well as relations with the external science, education, and funding communities. His areas of responsibility include the museum’s exhibit, program, media, and teacher education programs, public understanding of research activities, and research in K–12 education and new media. Rob is the author of many journal articles and invited papers, and he has been the principal investigator on projects that include developing new Internet resources, experiments using technology to enhance the museum visitor experience, and teacher and museum educators programs. Awards include AAAS Fellow, 2006, and the NSTA 2006 Faraday Science Communicator Award. Before joining the Exploratorium in 1977, Rob taught physics and conducted solid state and nuclear physics research. He received his Ph.D. in physics from the Johns Hopkins University.