Mathnasium 975 Diablo Avenue, #106, Novato CA 94947 (415) 209-0150

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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:


Sang Batoff, Owner and Center Director 

Sang is the Owner and Center Director at Mathnasium of Novato. She double majored in Mathmatics and Music at Hamilton College and taught middle school math for 12 years. Sang is passionate about helping children get excited about math! She is married with two sons and loves living in Novato.


Kevin Cavanaugh, Assistant Center Director

Kevin grew up in Massachusetts but has lived in Novato for more than 15 years. He graduated from the US Coast Guard Academy and the Naval Postgraduate School in Monterey, CA with degrees in Applied Math and Operations Research. Recently, he retired from the Coast Guard and from the Federal Emergency Management Agency (FEMA). Kevin loves the logic and consistency of mathematics. He enjoys solving problems and helping others find beauty and joy in increasing their understanding of math. Kevin is married with two grown children and one granddaughter.


Ben Sheng, Instructor

Ben graduated from Hangzhou Normal University in China with a specialty in Math Education and received his master's degree in Accounting from University of Iowa. He was a certified teacher in China and taught middle and high school math for more than 10 years. He is very patient and teaches in a way that is enjoyable for the students. Ben believes that teaching students is not only to help them improve their grades, but, more importantly, to build their confidence and to learn "how to learn". Ben is an avid badminton player, and he is a perfect match!


Ann Balliet, Instructor

Ann graduated from Stanford University with a degree in the Humanities. She started out as a meeting planner but decided to begin a career in education helping kids with mild to moderate learning issues. Ann appreciates how Mathnasium has developed ways to teach number sense as a foundation for higher math skills. She has raised 2 children and has lived in Marin County for 35+ years. In addition to working with students, Ann owns 5 dogs and is an accomplished dog trainer.


Mark Timmerman, Instructor

Mark is a native of Marin and studied at UC Berkeley. He majored in Math and Classical Languages. Mark worked as a jewelry designer in New York City for places like Tiffany & Co. and taught at Parsons School of Design. He is interested in geology and crystallography, and believes that math is essential not only for science but also for art and design.


Sita Venkataramani, Instructor

Sita has four decades of career experience as a Software Engineer working in various sectors of the industry. He graduated from the prestigious Indian Institutes of Technology (IIT) in New Delhi, India from where he received his two degrees, a Bachelors in Chemical Engineering and a Masters in Management & Systems. Mathematics has been his favorite subject for as long as he can remember. He sees Mathnasium as a medium to pass on his passion for mathematics to the coming generation. He and his wife are longtime residents of Marin, and together they love to read, go on long hikes, and travel the world. 


Sneha Yendluri, Instructor 

Sneha is a junior at Marin Academy and has a love for math and science. In past summers, she has attended science courses through the UC Berkely Academic Talent Development Program. Sneha also takes honors math classes and has always enjoyed building her math skills by collaborating with fellow classmates to solve different problems as well as helping others understand concepts. She wants to continue this passion for helping others through tutoring at Mathnasium. Outside of academic classes, Sneha participates in numerous clubs from Women of Color to Yearbook as well as swimming competitively at her high school. When she is not busy with school she loves to read, watch TV shows and talk with friends.


Noela De Frenza, Instructor

Noela is a sophomore at San Marin High School and is in the STEM program. She loves how Math can be applied and combined with Science, creating her favorite subjects, Physics and Engineering. As a younger child, Noela struggled with Math, and, after seeking additional support outside of school, her understanding, mastery, and confidence in her Math skills grew and has been in advanced Math classes since. Noela approaches teaching with a compassion and empathy, seeing the potential she had as a child reflected in her students. In her free time, Noela enjoys cooking, reading, doing Karate, and getting involved with the community! 


Vanessa Diaz, Instructor

Vanessa graduated from San Marin High School and is currently enrolled as an accounting major at Sonoma State University. She has always enjoyed math and loves helping students understand why math works the way it does. Vanessa developed a passion for teaching math when she had to helped out her classmates as well as her siblings. During her free time, she likes to spend time with friends and family watching shows or playing video games such as Minecraft as well as listening to music.


Duncan McNear, Instructor

Duncan is a sophomore at Novato High School and studies digital art as part of the MSA program. He was not always confident about math and used to come to Mathnasium for support. Duncan built a solid foundation in math and has been in advanced math classes ever since. Now, he is back at Mathnasium and helping students learn math as well. Duncan has lived in Novato his whole life and owns a cat and a horse.


Nithya Sunku, Instructor

Nithya is a sophomore at San Marin High School and enrolled in their STEM program. Combining her passion for math and science, she has hopes of taking a computer science path in the future. Nithya used to attend Mathnasium as a child and is returning as an instructor to help other students the way she was helped. Outside of school, she enjoys playing basketball, reading, and spending time with her friends. 


Regan McGinnis, Instructor

Reagan is a sophomore at San Marin High School, and her favorite subjects are math and science. She discovered her love for math when she was enrolled in the GATE program in elementary school. Regan is patient and enjoys working with children, and she often helps her younger sister with homework. She is a student athlete and plays on the varsity soccer and JV volleyball teams.


Marisa Little, Instructor

Marisa is a junior at Novato High School and is enrolled in their MSA Dance Program. Math has always been her favorite subject, and she is always ready to offer help to her classmates. Marisa loves seeing how someone can begin to understand a concept through her help. Outside of school, you can find Marisa dancing at Marin Ballet, hanging out with her friends, and playing with her dog and bunny.