John E. Penick is an American professor of science education who has taught in high schools, community college, and at several universities in the United States and abroad. Author of more than 200 articles in professional journals and 40 books and monographs, Penick is best known for promoting innovative programs and processes for enhancing undergraduate teacher education. Many of his innovations were based on his studies of exemplary teachers in the United States, studies that focused on determining the roles of effective teachers.In addition to his work with undergraduates, Penick has conducted workshops and presentations for teachers in almost every state of the U.S., speaking about and demonstrating how research can inform teacher practice and conditions. Widening his scope, Penick has worked extensively with a variety of international universities, ministries of education, and organizations in 35 countries.