Rodger Bybee is executive director of the Center for Science, Mathematics, and Engineering Education (CSMEE) at the National Research Council, Washington, D.C. Between 1992 and 1995, he participated in the development of the National Science Education Standards, which included chairing the content working group of that project. Prior to this, he was associate director at the Biological Sciences Curriculum Study (BSCS). From 1972 to 1985, Dr. Bybee was a professor of education at Carleton College in Northfield, Minnesota.