Eric Brewe Professor of Physics and Science Research 215.895.2779 eric.brewe@drexel.edu Read Bio Adam Fontecchio Director, CASTLE Professor of Electrical and Computer Engineering; Affiliated Faculty, Materials Science and Engineering 215.895.2047 Fontecchio@drexel.edu Read Bio Valerie Klein Assistant Clinical Professor, Program Director for Teacher Education Programs, School of Education valerie.e.klein@drexel.edu Read Bio Jason Silverman Co-Director, CASTLE Professor, Mathematics Education 215.895.6087 jason.silverman@drexel.edu Read Bio Toni Sondergeld Associate Professor, School of Education tas365@drexel.edu Read Bio Jennifer Stanford Co-Director, CASTLE Associate Professor, Biology, College of Arts and Sciences 215.895.6180 jennifer.s.stanford@drexel.edu Read Bio Rachael Switalski Director of Operations, CASTLE 215.895.2337 rrs44@drexel.edu Read Bio