"I am a teacher. That's what I've done almost all my life. I teach."

Abstract

MARK W. ELLIS is a professor of secondary education at California State University, Fullerton, 2600 E. Nutwood Ave., Suite 600, Fullerton, CA, 92831; e-mail: mellis@fullerton.edu. A National Board Certified Teacher of mathematics, his scholarship focuses on equity issues in mathematics education and professional development for teachers of mathematics aimed at creating learning environments that promote success for all students.