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.

Andre Bertrand

Owner
Andre is the owner of Mathnasium of Albany-Berkeley. Prior to opening his center, Andre was a Senior VP at iHeartRadio in New York City. With an Electrical Engineering degree from McGill University, he has worked for more than 25 years as an engineer in telecommunications and multimedia. Over the years, he has done extensive coaching, teaching, and trouble-shooting. Originally from Canada, Andre has lived in Germany, Panama, New York, and Texas. Since moving to the Bay Area a few years ago with his wife, a Cal Professor, and their two school-age children, Andre has become an active parent in the community. Realizing the need for more individualized attention and targeted learning in math, Andre decided to bring Mathnasium to the Albany-Berkeley area. He is committed to sharing his enthusiasm for math and to bringing the Mathnasium Method to the children in the community.

Jesse Stephens

Assistant Director
Jesse graduated from UC Berkeley in 2019 with a degree in molecular biology. He is currently pursuing a post-baccalaureate degree at UC Berkeley, intending to apply to graduate school in the next few years. Jesse spends his free time playing real-life quidditch, board games and poker.

Audrey Nordenholz

Instructor
Audrey is a Junior at Albany High School who loves running, music, and cats. She loves that math usually has a straightforward answer and is extremely rewarding when you start to develop a real understanding for it. She is a runner on the cross country and track teams at AHS, along with a singer in Treble Chamber Ensemble. She is a chocolate lover and likes to spend time in nature.

Saadit Ahmed

Instructor
Saadit is currently enrolled in his second year of high school at Albany High School. This is his first job, and so far he’s having a great time teaching children and learning alongside them. He was led to this occupation through his immense interest in math, and spends a good chunk of his free time online studying new theorems and ideas in the world of math. Besides that, he enjoys playing chess, playing video games, and hanging out with his friends.

Grace Xu

Instructor
Grace is a junior at Albany High School enrolled in Precalculus Honors. Grace loves the challenge of working on math problems and the satisfaction of finding solutions. She hopes to help others better understand math so they can love it just as much as she does. Grace has experience teaching dance to younger students at Ahlan Dance. Other than math, Grace enjoys dancing, making arts and crafts, and spending time with friends and family.

Si-Jae Teh

Instructor
Si-Jae is a sophomore at Albany High School currently taking Accelerated Math 2/3. She enjoys mathematics as there is always something new to learn---the "lightbulb" moment when everything finally clicks is such a satisfying feeling and never gets old. Si-Jae loves working at Mathnasium and helping students become even more mathematically adept than before; it feels wonderful when someone benefits from her help and advice.

Sabine Scott

Instructor
Sabine is majoring in mathematics for Advanced Study at San Francisco State University and is currently taking real analysis and modern algebra. Sabine has two black cats, Millipede and Charcoal. Sabine likes playing bass guitar, painting, playing video games and working out.

Ana Megibben

Instructor
Ana is a 3rd year college student currently in the process of transferring to one of the UCs from Colorado State University where they were a physics undergrad. They have completed college level mathematics through Differential Equations and have a passion for algebra and calculus. Beyond math, Ana alternates their free time between playing electric bass & flute, sewing, dabbling in woodworking & making electronics, and playing video games.

Nina Grafilo

Instructor

Our Mathnasium Mission

Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

What I love about Mathnasium is the ability to teach problem-solving skills and make math make sense, while also making a student smile.
Amber W., Mathnasium Instructor

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