Sandra K. Wilcox is associate professor, Department of Teacher Education, Michigan State University. She is co-PI of the Toolkit for Change Agents project and a Director of MARS, the Mathematics Assessment Resource Service.

Her areas of interest are the preparation and continuing professional development of preservice and inservice teachers of mathematics, particularly at the elementary and middle grades.

Dr. Wilcox has led the work of MARS in the design of materials and services that are focused on professional development for and through assessment.