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Math Presenters

Ms. Melissa Burkhead holds a B.A. from Georgetown College and a M.A. from The University of Texas at El Paso.  She currently teaches Geometry, Pre-Calculus, and BC Calculus at Trinity Valley School in Fort Worth, Texas.  Her varied experiences include teaching in Mexico City, Mexico, the El Paso public schools, Austin’s magnet school program and the Episcopal school system. She moderates online dynamic geometry courses with both geometry and algebra focuses for Key Curriculum.  She has presented at numerous AP® Conferences and most recently represented The College Board® with a special AP Calculus focus in Abu Dhabi, U.A.E. and Bogotá, Colombia.

Ms. Lauren Campbell received her B.A. in English from University of Oklahoma. She taught at the middle school level for two years and has taught high school math for 4 years at all levels, including Pre-AP Geometry and Pre-AP Algebra 2. She is currently pursuing an advanced degree in Mathematics.

Ms. Sue Knott earned her B.A. from The University of Northern Iowa and her M.E.T. from The University of Texas at Arlington. She has taught mathematics for 26 years in public schools and private schools. She is working in her 14th year at The Oakridge School, where she is responsible for bringing a successful AP® Statistics program to the school 11 years ago. She has been an APReader for the AP Statistics exam for the past 6 years and presenter for National Math and Science Initiative® for the past two years.

Team Leader: Algebra 1

Ms. Stacey McMullen M.E.T. Stacey McMullen earned her B.S. from The University of Southern Mississippi and her M.E.T. from The University of Texas at Arlington. She has taught mathematics for 32 years in public schools and is working on her 10th year in Dallas ISD as a math AP® Lead Teacher. She has been a College Board® Consultant for the past 14 years. She has authored and published several math secondary games and is the recipient of the National Math and Science Award for Excellence in Teaching in mathematics for the state of Texas for 2012.

Ms. T.J. Onen, earned her M.S.Ch.E degree from Bosphorus University, Istanbul, Turkey and B.S.Ch.E degree from Middle East Technical University, Ankara ,Turkey. She worked as a process engineer in the cement manufacturing field for 11 years. She moved to Texas in 1998 and became interested in teaching Advanced Placement courses. She completed her alternative certification in teaching secondary mathematics and has been teaching AP® Calculus AB, AP Calculus BC and Pre AP Pre-Calculus since 2000.

Ms. Susan Petrey earned her B.S in Secondary Mathematics from Mississippi State University and her Masters in Curriculum and Instruction from the University of North Texas. She taught high school mathematics (including Algebra 1, Geometry, Pre-AP Geometry, Math Models, Algebra 2, Pre-Calculus, AP® Calculus) for 23 years. She is a Secondary Curriculum Specialist for Lampasas ISD, has worked as a geometry assessment writer and editor for Laying the Foundations, Inc®., Mathematics Education Instructor for Central Texas College and CSCOPE assessment writer for Region 10 ESC.

Ms. Kathy Pieper is a certified Professional Educational Therapist who has been a math teacher and private tutor for twenty years. She has worked at several Dallas area public and private high schools; the classes she has taught include Algebra through Pre-Calculus. In addition, she has tutored up through college level Calculus (including AP®). Kathy has a B.A. in Mathematics and Statistics from Miami University, and an M.A. in Teaching Mathematical Science from the University of Texas at Dallas. She is certified in both Secondary Mathematics and Generic Special Education.

Ms. Denise Pierce earned her B.S.  from Texas Tech University and her M.S. from Texas Woman's University. She taught Math 9-12 (On-Level, AP® Calculus) for 23 years.

Ms. Janet Schofield earned her B.A. from The University of Minnesota at Minneapolis.  She has an M.A.T. degree from the University of St. Thomas and a M.S. degree from the University of Texas-Pan American.  Janet has taught Mathematics 9-12 for 38 years including several years of overseas experience.  She has taught AP® Statistics, Calculus AB and Calculus BC for the past 15 years and served as a lead teacher for AP Strategies.  She was an AP National Reader for Statistics for seven years.  Ms. Schofield is a National Board Certified Teacher.

Ms. Grace Sherrill earned a B.S. in Mathematics from the University of Texas At Austin.  She has taught mathematics for 14 years.  She has taught Algebra 1, Algebra 2, Geometry, Pre-Calculus, blended Pre - Calculus, Foundations of College Math and AP ® Calculus. She has recently been working on curriculum for an online Pre-Calculus class for her school district.


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