Mathnasium 962 US Highway 64, #15A, Apex NC 27523 (919) 465-3907

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Our Team

Our specially trained math instructors will teach your child how to understand math in an individual setting; our unique approach enables us to explain concepts really well and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn! Read below to learn more about our talented team:



Carli Weatherhead, Center Owner/Director of Operations

Carli is a former business executive as well as a former Middle School teacher. She has been a part of the Mathnasium family since 2014 and loves helping kids build their confidence in math, make math make sense again, and provide help for parents struggling each night to help their kids with their homework. She loves the idea of helping kids get ahead and stay ahead; all while making math fun again! Especially for those students who were "bored" in math and needed a greater challenge. In her free time,                                       you will find her hanging out with family or visiting her son at college.


Angela Lee, Center Director

Angela graduated from NC State University with a degree in Electrical Engineering. After working as an Instructor here for over a year, she decided that she enjoyed helping students understand math and have fun while learning so much that she stayed on as the Center Director! She enjoys teaching calculus, traveling, and learning to crochet dolls. She is always ready and excited to meet and help our students!




Christian Rodgers,  Assistant Center Director

Chris is a senior at NC State studying accounting. He has experience tutoring math through volunteering throughout his high school years and also through the National Honor Society programs. While working at Mathnasium, Chris hopes to bring more young students to a better understanding of mathematics, not only to better their education in school, but also to allow them to see math as an integral part of everyday life.



Jonah Justice, Instructor

Jonah is a student at NC State University majoring in Electrical Engineering. As the eldest brother of four, he had lots of experience helping out with school work and loves to use that experience to help make learning and understanding fun for our students at Mathnasium! When he's not too busy, Jonah likes to play his ukelele, go hiking, or play a session of Dungeons and Dragons with his friends!



Thomas McKinney,  Instructor

Mr. Tom spentt most of his career working in environmental science and engineering. Most recently, he worked as a high school science teacher, instructing biology and environmental science. Mr. Tom has a degree in Chemical Engineering from the University of Michigan in Ann Arbor.


Sarah Kilpatrick, Instructor

Sarah attends the NC State University. She enjoys engineering classes, mentoring younger students, and advocating for the Academy. She has been a babysitter since middle school and enjoys being around kids. Outside of school, she loves to dance.



Sarah Ebert, Instructor

Sarah is studying Nuclear Engineering at NC State University with a minor in Mathematics. She specializes in higher level math. She is also very interested in trigonometry and quantum physics and hopes to someday work with energy. She loves to tutor math because she wants to show students that even though math can be tricky, there's always an answer to the problem! When not tutoring, Sarah loves to read, run half-marathons with her dad, and is a lead singer in a rock band!


 Stephanie Porter, Instructor

Stephanie is a graduate of Grinnell College and experienced math tutor. She loves working with kids of all ages, and wants to help Mathnasium students learn math in a way that is both fun and makes sense! In her spare time, Stephanie likes reading, playing the guitar, and hiking.



Larry Martinek, Chief Instructional Officer

Developer of Mathnasium Program, Larry has spent his entire career finding a better way to teach math. From inner city to public schools, to acclaimed magnet schools, to leading private and parochial schools, Larry has served as both a classroom teacher and as an educational consultant. He has designed curriculum, teaching strategies, and teaching materials designed to help students and teachers learn math more effectively. He has trained teachers in the art and science of boosting student’s ability to “do” math, thereby increasing student’s math scores and feeling of self-worth. Larry is the developer of Mathnasium’s educational program – one of the most comprehensive and innovative curriculums ever produced for teaching math. While Larry is not an Instructor at our Center, He is a valuable asset we can call on to ask about specific students scenarios for guidance and advise. This has helped to make visits more productive and enjoyable for many of our students.