Mathnasium 11909 Preston Road, #1411, Dallas TX 75230 (972) 960-6284

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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:

         Our staff members are highly qualified and rigorously trained individuals who must first pass a comprehensive set of assessments covering all aspects of mathematics before even being considered for the Instructor position.  Background checks are an essential part of the hiring process as is a "trial run" interaction with the students. Our instructors are required to undergo continuous training. Drop by to meet the instructors and owners anytime!


Center Director - Dr. Valerie S. Johnson

Dr. Johnson has served Mathnasium of North Dallas as an instructor, lead instructor, and moved into the position of Center Director in 2015. She has been a presenter at the Mathnasium Annual Conference for the past three years; presenting on topics such as Staff Meetings, Assessments and STAAR testing. She is also well aquainted with ISEE, ERB and Stanford testing. She has 27 years of educational experience as a teacher, assistant principal and principal in the Diocese of Dallas, Santa Fe, New Mexico and Fort Worth. 

 Assistant Center Director - Ashley Derrick

Ashley has been a high school teacher for several years. She enjoys watching the students gain confidence and reinforce their math skills.


Buck - Senior at St. Marks School of Texas

Aoife - Senior at Parish Episcopal School

Jessica - First Steps Director

Kyra - Math major at UTD

Mary Catherine - former teacher

Tess - Senior at Ursuline Academy

Tommie - Retired

Nabil - Computer Science Major at UTD

Pablo - Future MIT student

Grace  - Senior at Parish Episcopal School

Joe  - Junior at Townview - TAG

Sai - Senior at St. Marks School of Texas

Kaiwan - Senior at UTD