Mathnasium 2250 Oak Grove Road, Walnut Creek CA 94598 (925) 930-9400

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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:

DirectorRevati Sitarama, Owner &  Center Director

Revati is a master's degree holder in English literature & mass communication and holds a bachelors degree in education. She worked as a lecturer in a college teaching english and a principal of a high school back in India. She has worked with kids of all ages. She was an investigative journalist and has tons of interesting stories. 

She has done her certification in graphic design, multi-media and computer information systems. She worked as a marketing executive prior to owning this center.

Revati and Shankar, both have a passion for education and take pleasure in teaching and working with kids and it was the motivating factor for buying and owning this center. They have 2 beautiful daughters Vaishu, who just graduated with a BA in molecular  & cell biology from UC Berkeley and working at a Bio-medical firm and Varshini, who is a Sophomore at  UC Berkeley doing Computer Science. 

Shankar Sitarama, Director

Shankar is a (PhD) in Mechanical Engineering from UC Berkeley. He also holds 2 master's degrees (one in Computer Science from UC Berkeley and the other in Mech Engineering from UW Milwaukee). He has worked for over 20 years in the Industry with the last decade in enterprise software in Oracle. His passion is education and teaching. He has a start up in educational technology that he runs. He loves teaching kids and seeing that "aha" moment in kids is what motivates and inspires him. He is a fun-loving guy who believes that a fun-loving atmosphere is the most enjoyable place to learn and work. He truly believes in life-long learning.


Jordan Tweddale, Asst.Director

Jordan is pursuing his Master's Degree from SFSU. He is a graduate of Cal Poly - San Luis Obispo, where he completed a Bachelor's Degree in Physics with a minor in Astronomy. When not engaged in math, Jordan can be found taking a nap, playing the drums, or in the stages between taking a nap and playing the drums.


Jonathan Lam, Instructor

Jonathan is a Mechanical Engineer from UC Riverside. With a great interst in the mechanical workings of objects from a young age, Jonathan served in the administration for his high school's competitive robotics club, the Northgate Robotics Group during his high school career, culminating in a year as the elected president of the club. He enjoyes playing various video games in his spare time. 


Justin Guo, Instructor

Justin is a Diablo Valley College student, an instructor with many names, love math to see peole getting into the same compassion of math and into the science field. He is interested in airplanes and space science.



Jayna Regehr, Instructor

Jayna is a Senior in Northgate High School. She likes to spend time with friends, love going on adventures, and  seeing new parts of the world. She loves telling jokes , making people laugh and being a goofball. She wants to be happy, wherever in life that takes her.  





Past Instructors

Flora Zhang

Aidan Gelston

Freddie Ramsey

Norman Feng

 Ashley Enriquez - Masters Students at USC, HS Math teacher in Richmond School District. 

Ardalan Ghoorchian - Student at UC Berkeley.

Sara Wheeler

Brice Halder - Chemical Engineering major, Johns' Hopkins

Chris Wong - Computer Science major at UC Berkeley

Catherine Valladolid (Hannah) - Computer Science major at UC Berekely.

Joshua Lau - Chemical Engineering major, UC Davis

Jonathan Lam - Mechanical Engineering major at UC Riverside

Emily Zhang - Physics Major at Johns' Hopkins

Jennifer Lee - Computer Science major at Harvard

Joanna Lam - Pre-med student at UC San Diego

Michael Xu - Student at UC Santa Cruz

Alexa Powers - Undergrad at Princeton University, Currently Med School at Texas

Katrina Uy - Pre-med student at UC Berkeley

Tyler W - Practicing Engineer

Nishtha Chavda - Neuro-science major at UCLA

Sam Mataraso - Student at UC Berkeley

Tyler Sandberg - Aeronautical Engineering at University of Michigan - Ann Arbor

Vili B - Biology major at UC Davis

Chaithra Sathisan - Bio-medical engineering student at UC Davis

Matthew Kleinsmith - Math major at UC San Diego

Blake Bissell - Cal Poly grad, practicing economist