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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:

Chris Hofer, Owner and Center Director

Chris graduated from George Washington University with a Bachelor of Arts in Psychology and completed coursework for a minor in Special Education. Chris has several years of teaching experience. After becoming aware of his own children's struggles with mathematics, Chris decided to bring the Mathnasium Method to the Greensboro  and High Point communities. 


Angie Moore, Center Assistant Director

Angie has been the Assistant Director of Mathnasium of Greensboro since December of 2010. She is an extroverted people-person with strong customer service skills. Prior to working at Mathnasium, Angie worked as a stay-at-home mom to her six children for 21 years. This gives Angie a unique and personal understanding of the challenges and frustrations that parents face when their child is struggling academically. She is passionative about ensuring that each student is having a positive experience and thriving in the Mathnasium enviroment. Angie loves when kids have that "lightbulb" moment and realize for the first time that they can do math! 


Chief Instructional Officer, Developer of Mathnasium Program

Kathryn Valcher, Instructor

Kathryn graduated from the University of North Carolina at Chapel Hill in 2011 with a Bachelors of Science in Mathematics and a Bachelors of Arts in French. She grew up in Greensboro and attended Grimsley High School where she completed an IB Diploma. Kathryn has experience working in an applied mathematics research lab at UNC, as well as experience tutoring mathematics both privately and through school programs in both high school and college. She hopes to continue her education in the future and pursue a higher degree in Astronomy. After joining the Mathnasium team in 2014, Kathryn was pleased to find the methods helping her own mental math strategies and extending her knowledge of math teaching techniques.


Rohini Raj, Instructor

Rohini is currently working towards her double major in Chemistry and Biology, and minor in French at Guilford College, after attending High School at the Early College at Guilford in Greensboro. She developed a passion for math during her first two years of high school after taking AP Calculus AB and BC, and this passion continued to flourish over the past three years at Mathnasium. Mathnasium has offered Rohini an opportunity to spread her love of math, and to see the students around her succeed in their math education. She earned a perfect SAT math score which qualifies her to be one of our top SAT/ACT prep program instructors.


Derek Anderson, Instructor

Derek graduated from James Madison University with a Bachelor of Science in Mathematics and a minor in Astronomy. During his time at JMU, Derek served two years as the Vice President of the Fencing club, spent one summer working as a Councelor for a Space Explorers camp, and another summer in New Hampshire interning at AMC & Carthage Astronomy. Additionally, Derek discovered his passion for teaching while working at the John C. Wells Planetarium as an operator and educator for Astronomy. Derek is excited to be a part of the Mathnasium team because working as an instructor gives him the opportunity to use his own knowledge of math for the benefit of others.