Assistant in Research, Florida Center for Research in Science, Technology, Engineering, and Mathematics (FCR-STEM) at Florida State University; Adjunct Professor, University of North Florida, Jacksonville Florida
Professor Emeritus, Department of Mathematics, San Jose State University, San Jose, California
Professor Emerita, College of Education, University of Houston, Houston, Texas
Professor Emeritus of Mathematics Education, Graduate School of Education, Rutgers University, New Brunswick, New Jersey
Professor of Education, McDaniel College, Westminster, Maryland; Past President–National Council of Teachers of Mathematics (NCTM)
Associate Dean for Assessment and PreK–12 Education, Texas A&M University, College Station, Texas
Associate Professor, George Mason University; Assistant Director of the Mathematics Education Center Co-Project Investigator for COMPLETE MATH
Mathematics Instructional Facilitator, Howard County Public Schools (MD); Board of Directors, National Council of Teachers of Mathematics; President, Association of Maryland Mathematics Teacher Educators; Project Manager, Elementary Mathematics Specialists and Teacher Leaders Project
