Professor, CSU Distinguished Teaching Scholar, Colorado State University

PhD in Science Education

Professor, Department of Business Administration, National Quemoy University

Beit Berl Academic College

Professor - Doctor of Chemistry Education - UIN Sunan Gunung Djati Bandung, Indonesia

Macquarie University

Associate Director Emeritus, Lawrence Hall of Science, University of California, Berkeley

Associate professor of Dept. of Geography Education, Catholic Kwandong University

PhD Candidate