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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:

Rusi HartanaRusi Hartana, Center Director 

Rusi Hartana is the Center Director at Mathnasium of Ahwatukee. She has an MBA/MIM from Thunderbird School of Global Management and a Bachelor of Science in Finance from Arizona State University. She is married and has two beautiful children.  It is important to Rusi that she creates an environment where math makes sense for kids, and that environment is also a fun place to learn.




Hendrix HartanaHendrix Hartana, Center Owner and Instructor

Hendrix is the Center Owner at Mathnasium of Ahwatukee. In high school, he won many math competitions and participated in the International Mathematical Olympiad training. In SAT Math, he had an almost perfect score of 780. He graduated summa cum laude with a bachelor's degree in Electrical Engineering from Arizona State University on full International Student's Scholarship where he worked as a math tutor and helped many college students pulled their math class grades up to A's. Hendrix then continued with a master's degree in the same field and university where we worked as a teaching assistant and helped many students understand complex ideas in simple terms. He has 17+ years of IT experience and semiconductor factory automation startups in the United States and China. He enjoys helping children master new math concepts, and believes that children teach us just as much as we teach them.

Caleb Redshaw, Instructor

As a senior at Desert Vista High School, Caleb Redshaw plans to study Mechanical Engineering at Arizona State University in Fall 2018. He received a perfect score of 800 on SAT Math, and a 5 on AP Calculus exam. In his spare time, he enjoys music production, playing the bass guitar and going on outdoor adventures with his friends.  Caleb loves working with kids and watching them improve their math skills.    

Clare DeMent, Instructor

Clare DeMent is currently a senior at Desert Vista High School, and plans to attend The Barrett Honors College at Arizona State University in Fall 2018.  She plans to major in Medical Engineering.  In her spare time, Clare loves to run Track and Field and to play chess.  Clare's favorite subject is math, and she enjoys working with children and helping them succeed in math.    

Dominic Zygadlo, Lead Instructor

Dominic ZygadloDominic Zygadlo is a sophomore at Arizona State University, pursuing a major in Statistics with a minor in Computer Science.  He plans to work in the field of Data Science where he will have to analyze big data like Google does.  Dominic received a score of 760 on SAT Math, a near-perfect score of 35 on the math section of ACT and a perfect score of 5 on the AP Calculus Exam. He loves eating pizza and thinks pizza is amazing.  In his spare time, he loves to play soccer.  With his patience and passion for math, Dominic is a huge asset to our team and a great fit with our students.  He believes that there is no better satisfaction than helping someone finally understand a math concept.