Elizabeth T. Hulbert is Managing Partner and Professional Development Coordinator at the Ongoing Assessment Project.

Marjorie M. Petit is Co-Director of OGAPMath LLC.

Caroline B. Ebby is Senior Researcher at the Graduate School of Education, University of Pennsylvania.

Elizabeth P. Cunningham, PhD, is Assistant Professor at the University of Michigan-Flint. Elizabeth is also a member of the OGAP National Professional Development Team.

Robert E. Laird is Co-Director of Teaching, Learning and Research with the Vermont Mathematics Initiative, Co-Director of OGAPMath LLC, and a member of the OGAP National Professional Development Team.