Desert Ridge
5355 E. High Street
, #109
Phoenix, AZ 85054
Phoenix, AZ 85054
Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.
Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.
Betsy holds a Bachelor’s in Business Management from Arizona State University and a Master’s in Curriculum and Instruction from Western Governor’s University. She earned her teaching certificate in Southeast Missouri and taught junior high and high school math for 11 years.
Her experience as Center Director at Mathnasium of Blue Valley in Kansas fueled her passion for the Mathnasium Method™ and helping students make sense of math. Betsy returned to Phoenix in 2018 to be near her family. She has two married children and is excited to welcome her first grandchild in 2025. Betsy enjoys reading, traveling, and spending time with family.
Tammie grew up in Glendale alongside her sister and co-owner, Betsy. Before joining Mathnasium full-time, she spent 30 years in the premium finance industry, building a strong career in business management and client support.
Her favorite part of Mathnasium is seeing students experience “aha” moments and grow in confidence. Tammie loves being part of a positive, student-focused environment where math truly makes sense. Outside of work, she enjoys spending time with family and friends, as well as music, movies, reading, and traveling.
Mary is a retired math teacher who brings a wealth of experience and passion for education to Mathnasium. She loves the logic of math and enjoys helping students understand concepts while building their confidence.
As Assistant Center Director, Mary values Mathnasium’s supportive, engaging atmosphere, where learning is both fun and effective. She thrives on guiding students toward success and seeing their excitement when concepts click.
Maxwell is a graduate of Northern Arizona University with degrees in mathematics, chemistry, and criminology. He has always been fascinated by math’s versatility and the unique ways students approach problem-solving.
He enjoys fostering a positive learning environment and helping students develop strong skills and confidence. Outside of Mathnasium, Maxwell enjoys caring for his younger brother, reading, watching movies, and spending time with friends.
Aliya is a Pinnacle High School graduate and has been part of the Mathnasium family for nearly six years. Her experience as both a student and team member has given her a deep appreciation for the Mathnasium Method™.
She enjoys supporting students, whether they need extra help or want to get ahead. Aliya loves connecting with families and creating a welcoming atmosphere. In her free time, she enjoys listening to music, spending time with her sister and her cat, and learning new skills.
Hi! I’m Monika Mattick. I have an Elementary Education degree (math emphasis) from GCU. I served for 5 years as a private math and language arts tutor in Southern California, then moved to Fountain Hills, Arizona in October 2023 with my husband, Adam. My greatest passion within education is not in the traditional classroom, but rather one-on-one tutoring. Especially math! Students have said I get way too excited for math time! My goal is to inspire your students to love math just as much! Having been homeschooled from 3rd grade through my senior year of highchool, I have a particularly deep passion for the homeschooled kids of Mathnasium. In my free time, I love to bake, do artsy projects, and spend time with family!
Hello, my name is Rijul Gupta and I am a sophomore at Shadow Mountain High School. Ever since I was little, math has been my favorite subject and I look forward to it everyday. Before working at Mathnasium, I used to be a student here. In my free time, I play tennis and love to hangout with my family.
Hi! My name's Sarvi, and I'm a student in the CREST Bioscience program at Paradise Valley High School. Math interests me because it’s the one constant in all languages all over the world, and Mathnasium fuels my interest and love for math by allowing me to introduce and explain all aspects of this constant to students and watch them understand it. In my free time, I like to read, do research, and volunteer.
Hi, my name is Ryan Husom and I am a senior at Embry-Riddle Aeronautical University studying mechanical engineering. I have always loved math and would love to share that enjoyment of math with others. In my free time I love to read and play board/card games.
Hey there! My name's Anagha, and I'm a current freshman in the CREST Bioscience program at Paradise Valley High School. Math is THE universal truth - a language that everyone has the potential to speak and understand. Mathnasium combines my love of math and my passion for teaching, and it's truly amazing to watch the kids here become empowered individuals and proficient thinkers. I have been tutoring math since 5th grade, and I have been an instructor here at Mathnasium since I was in 7th grade. In my free time, I like listening to music and creative writing.
Hi, I'm Srividya, a 36-year-old based in Phoenix, Arizona. Outside of Math and being around kids, I enjoy music. I play an Indian instrument called Veena. My daughter and I play the instrument together at times. I have an engineering degree and used to work as a software developer in India.
Hello, My name is AJ. I was born and raised in San Diego, CA, made my way to Pennsylvania, then moved to Phoenix to be with my sister and closer to home. I've been with Mathnasium for almost a year now and have loved working with all of the different students. I aspire to work in Neuroscience later in life. I enjoy painting, planes, trucks and road tripping with my cats.
I'm Aanya Sreekumar. I'm a sophomore in high school taking advanced math. I enjoy math and teaching kids. In my free time, I like to listen to music, dance and spend time with family and friends.
Hi! My name is Sahasra Karanam, and I am a sophomore at Paradise Valley High School CREST Bioscience. I have always been interested in math and it is one of my strongest subjects. I hope to help students explore math and become more confident in themselves. In my free time, I love to dance, play the guitar and bake.
Hello! My name is Shyam Sathisan, and I am a current student at Paradise Valley High School in CREST Biology. My favorite branch of math is statistics for its ability to explain things in the real world, and I enjoy teaching at Mathnasium because I can share my knowledge and reinforce my own!
Hi! My name is Penelope Wimsatt and I am a freshman at Pinnacle High School. I have always enjoyed math and before I became an instructor I was a student here at Mathnasium! In my free time I enjoy playing volleyball and hanging out with my friends.
My name is Eric Marshall. I am pursuing my bachelors degree in Physics from Arizona State University. I am a Navy veteran who worked operating a nuclear reactor on board a naval submarine. Math was used heavily during my work career. I chose to teach at Mathnasium to share my love for math and really emphasize the it is useful in all aspects of life. Outside, I really enjoy exploring new places in town and also competing in different sports.
My name is Dylan and I am a graduate student studying Statistics at ASU. I have always wanted to teach, so Mathnasium is a good fit for me. Outside of school and work, I like playing bass guitar, volleyball, pickleball, working out and spending time with my family and friends.
Hi! I'm Hayden. I was born in San Francisco and moved to the Phoenix area a little over a decade ago now. I'm pretty new on the Mathnasium crew, but I love my job and the opportunity to work with so many students to help them on their math journey. I love photography and mechanical engineering, and I have a dog named Buddy.
I'm Rimsha Khan. I am a junior in high school taking advanced math. I enjoy teaching kids math and I like math. I like to spend time with my family and friends in my free time.
Hi! My name is Alita John and I am junior at Paradise Valley High School CREST Bioscience. Math has always been one of my favorite subjects and I enjoy teaching others in order to expand and advance their own math expertise. In my free time, I like to read books, bake desserts, and play the piano.
I'm Lucas, a senior at Arizona State University studying Computer Science. I enjoy programming in my free time with my friends. I love math because I enjoy finding patterns that make it easier to intuit the world around me.
Hi, my name is Divya and I am a senior at Paradise Vally High School. I love math and being around kids. In my free time I love to read and sketch.
Hi! My name is Brenna and I am currently a senior and Sunrise Mountain High School and attend the MET Professional Academy. I love math because it feels like a puzzle. I love working at Mathnasium because it gives me the opportunity to show other students that everyone is capable of succeeding in math. In my free time I love going to the gym, taking naps, playing with my pets, and hanging out with friends and family. I also volunteer every weekend that I can.
Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.
Are you interested in changing lives through math? We're looking for outstanding individuals with a high level of commitment who are passionate about teaching math. Find out if there's a Mathnasium position that's just right for you!
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