Principal Scientist
Education Research Collaborative, TERC Cambridge, Massachusetts
Susan Jo Russell is the principal investigator of the Investigations in Number, Data, and Space® curriculum project and was the principal investigator of Developing Mathematical Ideas, a professional development curriculum series for elementary and middle-grade teachers. Her most recent publication, Connecting Arithmetic to Algebra focuses on supporting teachers to integrate a focus on generalizing about the operations into their core arithmetic instruction.
Dr. Russell has worked at TERC for over 30 years, directing projects that have focused on computer education, mathematics for special needs students, professional development in mathematics for elementary and middle school teachers, research on students’ and teachers’ understanding of mathematics, and curriculum design for elementary students. She has a special interest in professional and leadership development in elementary mathematics and on understanding how practicing teachers can learn more about mathematics and children’s mathematical thinking.
Senior Project Director
Education Research Collaborative, TERC Cambridge, Massachusetts
Karen Economopoulos is the co-director of the Investigations Implementation Center which supports teachers, schools, and districts that are implementing Investigations. During her 20 years at TERC, Karen’s work has focused primarily around the development of Investigations.
She co-directed the development of the 2nd edition of Investigations in Number, Data, and Space® as well as Investigations and the Common Core Standards. A former K–2 classroom teacher, Karen directed the K–2 development of the original Investigations in Number, Data and Space®. She co-authored Beyond Arithmetic: Changing Mathematics in the Elementary Classroom and directed an Exxon-funded staff development project focused on mathematics in the kindergarten classroom. Karen has served on numerous advisory boards including the Mathematical Sciences Education Board.
Senior Project Director
Education Research Collaborative, TERC Cambridge, Massachusetts
Keith Cochran is the co-director of the Investigations Implementation Center which supports teachers, schools, and districts that are implementing Investigations. He recently co-directed the development of Investigations and the Common Standards and was a senior author of the grades 3–5 Investigations in Number, Data, and Space® curriculum.
Keith’s background is in classroom teaching and professional development in mathematics for teachers and administrators. His work in the Clark County School District (Las Vegas, Nevada) included the initial implementation of Investigations and serving as the district site leader for the field tests of Bridges to the Mathematics Classroom, Developing Mathematical Ideas, and Lenses on Learning. He has served on the staff of the Developing Mathematical Ideas Leadership Institutes and was the mathematics resource partner for Bank Street College’s Teachers for a New Era initiative.
Project Director
Education Research Collaborative, TERC Cambridge, Massachusetts
Megan Murray is the director the Investigations website and is the editor of the quarterly Investigations newsletter. She is a senior author of both Investigations in Number, Data, and Space® K-2, and Investigations and the Common Common Core. Megan is also a staff member of the Investigations Implementation Center which supports teachers, schools, and districts that are implementing the Investigations curriculum.
Megan has been involved in many aspects of the Investigations curriculum, including the initial field test and development. Megan is the author of Schools and Families: Creating a Math Partnership, an extensive guide aimed at helping teachers and administrators answer the question, “How do we engage parents as partners in the work of improving mathematics teaching and learning for all students?”
Research and Development Specialist
Education Research Collaborative, TERC Cambridge, Massachusetts
Arusha Hollister is an author of the 2nd Edition of Investigations in Number, Data, and Space® curriculum and more recently worked on the CCSS edition of the curriculum. She is presently working on video for the Investigations website and TERC professional development and is conducting field research in 3rd grade classrooms focusing on the new CCSS materials.
She was a staff member of the Investigations Workshops project for which she designed professional development for teachers. Most recently, she created the K-2 Counting and Computation workshop and collaborated on the Algebra workshop. Prior to working at TERC, Arusha was an elementary school classroom teacher and a math coach.
Director, SummerMath for Teachers
Mount Holyoke College South Hadley, Massachusetts
Virginia Bastable is the Director of the SummerMath for Teachers program at Mount Holyoke College and a senior writer on the grades 3–5 revisions of Investigations in Number, Data and Space® curriculum project with a special focus on early algebra.
Research and Development Specialist
Education Research Collaborative, TERC Cambridge, Massachusetts
Katie Bloomfield is a Research and Development Specialist at the Education Research Collaborative at TERC in Cambridge, Massachusetts and a senior writer on the grades 3–5 revisions of Investigations in Number, Data and Space® curriculum project.
Research and Development Specialist
Education Research Collaborative, TERC Cambridge, Massachusetts
Nancy Horowitz is a Research and Development Specialist at the Education Research Collaborative at TERC in Cambridge, Massachusetts and a senior writer on the grades 3–5 revisions of Investigations in Number, Data and Space® curriculum project.
Senior Scientist
Education Development Center Newton, Massachusetts
Deborah Schifter is a Senior Scientist at the Education Development Center in Newton, Massachusetts and a senior writer on the grades K–2 revisions of Investigations in Number, Data and Space® curriculum project with a special focus on early algebra. Dr Schifter has worked as an applied mathematician, has taught elementary, secondary, and college level mathematics, and, since 1985, has been a mathematics teacher educator. She is a principal investigator and developer of Developing Mathematical Ideas, a professional development curriculum series for elementary and middle-grade teachers. Her team is currently working on the final two modules: Reasoning Algebraically about Operations and Patterns, Functions, and Change.
Project Director
Education Research Collaborative, TERC Cambridge, Massachusetts
Lucy Wittenberg is a Project Director at the Education Research Collaborative at TERC in Cambridge, Massachusetts. She is the director of the grades 3–5 development team of the revisions of Investigations in Number, Data and Space® curriculum project.
