Michelle Chamberlin, michelle.chamberlin@unco.edu, is
a faculty member in the School of Mathematical Sciences at the University
of Northern Colorado, Greeley, CO 80639. She instructs prospective and practicing
teachers in mathematics and mathematics education and is interested in preservice teacher education, mathematics professional
development, and mathematics education research.

Robert Powers, robert.powers@unco.edu,
is a faculty member in the School
of Mathematical Sciences at the University of Northern
Colorado, Greeley,
CO 80639.
He is primarily involved with the development of preservice
and inservice secondary teachers in the undergraduate
and graduate mathematics education programs.
His research interests include mathematics teacher education and the use
of technology in mathematics classrooms.