Douglas J. Llewellyn St. John Fisher College, Rochester, NY

Douglas Llewellyn teaches science education courses at St. John Fisher College in Rochester, NY. Previously, he was the K-12 Director of Science at the Rochester City School District, a secondary school principal, and a middle school science teacher. Llewellyn is a frequent speaker at state and national conferences on inquiry- and argument-based teaching, constructivist learning, and science leadership.