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Jim Hammerman, Ed.D., is Principal Investigator for the Evaluating DMI Project, and Co-Director of the Evaluation Group STEM Education Evaluation Center (SEEC) at TERC. Jim has been a mathematics educator, researcher and evaluator for over 25 years. He taught elementary school, contributed to several math curriculum development efforts, and helped to create and conduct mathematics professional development opportunities in the SummerMath for Teachers, Math for Tomorrow, and VISOR projects.

Jim's own research focuses on data and statistics learning, and on the impact of adult developmental differences on teachers' professional learning. He has also designed and led a number of formative and summative evaluations for math, science and technology projects, including the MIT Education Arcade/ Smithsonian online game for middle school students called Vanished; KCP Technology’s Data Games project; EDC's Transition to Algebra double-period algebra curriculum project; Harvard's Life on Earth touch table for museums; the Climate Literacy Partnership in the Southeast (CLiPSE); and, of course, the Evaluation of Developing Mathematical Ideas (DMI), among others. He enjoys biking, cooking, sailing, making music and laughing with friends and family.