North Carolina Pre-College Program

School of Education, University of North Carolina at Chapel Hill
A Center of the NC Mathematics and Science Education Network (NC-MSEN)
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Dianne Affleck (e-mail Dianne)
Assistant Director and Program Coordinator

Dianne joined the Center in July 2000 as Assistant Coordinator for Pre-college Program after four years of being the MSEN teacher at Neal Middle School in Durham. Dianne become Coordinator of the UNC Chapel Hill NC-MSEN Pre-College Program and Assistant Director of the Center for Mathematics and Science Education in July 2002.

Dianne has a bachelor's degree in mathematics from Smith College and both bachelor's and master's degrees in chemical engineering from Pratt Institute. Prior to entering the teaching profession she worked six years as a chemical engineer with the Mobil Chemical Company.

Mrs. Affleck was born in Brooklyn, New York. Dianne is married and has three children.


Tammy Siler-Belcher (e-mail Tammy)
Program Manager

Tammy has been with the NC MSEN Pre-College Program since 1992.

Supporting the Pre-College Coordinator has been Tammy's key role. Tammy is responsible for directing the day-to-day operations of the program. She manages the enrolling and re-enrolling of students into the UNC Chapel Hill NC-MSEN Pre-College Program, maintaining the student database and the program's website. Tammy also contributes with the planning of student competitions, workshops and enrichment activities.

Mrs. Siler-Belcher was born in Siler City, North Carolina. Tammy is married and has one child.