IMAGES | Author Biographies

Author Biographies

Janie Zimmer
Mathematics Associate
Research for Better Schools, Philadelphia, PA
Janie Zimmer is a mathematics associate with RBS, where she provides mathematics expertise to the staff and is the liaison for the Pennsylvania State Team for Mathematics and Science Education. She has 35 years of teaching and supervision experience in Virginia and Maryland, spending over 10 years as coordinator of mathematics (K-12) in Maryland's Howard County Public School System. Zimmer has held numerous local and national leadership roles, and is currently on the board for the National Council of Supervisors of Mathematics. She has written numerous articles for the Benjamin Banner, is the author of Motivate Your Students with ZIP the Mathemagician, and has edited several books, including EdThoughts (Mathematics), EdThoughts (Science), and IMAGES (first edition). She received her B.A. in mathematics from Trinity College and her M.Ed. from Loyola College. Zimmer can be reached at zimmer@rbs.org.

Arlene Dowshen
Associate Professor of Mathematics Education
Widener University, Chester, PA
Arlene Dowshen is an associate professor of mathematics education at Widener University where she teaches mathematics and mathematics methods courses for pre-service elementary and early childhood teachers and pre-service secondary mathematics teachers. She also supervises elementary and secondary mathematics student teachers. She currently serves as the editor for the Pennsylvania Council of Supervisors of Mathematics newsletter and has authored numerous articles. Her current research interest is the mathematical thinking of pre-service elementary school teachers. Dowshen received her A.B. in mathematics from Douglass College, an M.S.W. from the University of Pennsylvania, and her M.Ed. and Ed.D. in mathematics education from Temple University. Dowshen can be reached at dowshen@maths.widener.edu.

Dennis Ebersole
Professor of Mathematics and Computer Science
Northampton Community College, Bethlehem, PA
Dennis Ebersole has taught at the community college since 1971. He has received numerous grants, most devoted to professional development for K-12 teachers of mathematics. He is the author of four texts and co-author of two other mathematics texts. He is a section writer for the revision of the two-year college mathematics standards, scheduled to be published in 2006 by the American Mathematics Association of Two Year Colleges. He is a frequent presenter at national and regional conferences and consults for districts in northeast Pennsylvania. He received a B.S. in mathematics from Bucknell University and an M.S. in mathematics and an M.S. in computing science from Lehigh University. Ebersole can be reached at debersole@northampton.edu.