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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:

CenterDirectorSarah Williamson, Center Director 

Sarah's passion for math began when she was a student herself at a Mathnasium in Pennsylvania; she went on to work as an Instructor at two Mathnasium locations in Washington, D.C. before moving to California to be the Center Director of Mathnasium of Redwood City. She previously worked as a software developer and technical instructor for the Federal Government. She has over eight years of experience tutoring and teaching STEM subjects at the K-12, collegiate, and adult learning levels.

Sarah completed her engineering degree in Computer Science and Mathematics at Virginia Tech. Her hobbies include backpacking, drinking coffee, yoga, and playing with her two cats.

Sarah is enthusiastic about the Mathnasium methods because she has personally seen how they can spark a lifelong confidence and admiration for not just math, but also for learning. She believes Mathnasium is where bright futures are imagined and realized.

CenterDirectorBeatrice Chan, Owner/Managing Director

Beatrice earned her degree at the University of Illinois, Urbana-Champaign in East Asian Languages and Cultures with a Minor in Business. After earning her degree, Beatrice moved to Silicon Valley in 2001 and worked for 9 years as an Account Manager and Program Manager with startup companies that had a strong presence in the Education market.During that time, Beatrice was heavily involved with Healthy Cities Tutoring of San Carlos, teaching children before work. Realizing that there was a severe need for math enrichment, she soon after ventured on her own to tutor Math all around Redwood City and San Carlos. Her ability to help children understand the concepts of math and the demand for her services is what prompted Beatrice to open up a Mathnasium Center. 

Beatrice is passionate about making children knowledgeable and successful in understanding Mathematical concepts, all while having fun! She believes that being fluent in Math not only boosts a child's confidence, but also empowers them to reach their fullest potential. This passion is what drives her to be a proud member of the Mathnasium Family.

Jean, Instructor

A native of Ireland,  Jean studied at Dublin City University and earned her degree in International Marketing and Japanese spending one year in Japan as part of the program. After falling in love with the country, Jean moved back to Japan to pursue her Masters in International Economics at Kanazawa University and was called upon to teach faculty members and students at various times during her stay. Jean then moved to San Diego and later the Bay Area where she worked as an engineering program manager in various tech companies. However, her love was always with teaching and again, Jean found herself tutoring many of the Japanese expats living in the area. Jean is extremely excited to work with the children at Mathnasium and watch them develop and grow their confidence in math which is such an important part of our world today. 

Larissa, Instructor

Larissa brings her love of working with kids and giving back to the community to Mathnasium. In high school, she coached young kids in soccer and gymnastics and worked as a science camp counselor. She continued her love of community service in college through Reading to Kids. What excites her most about teaching at Mathnasium is seeing students light up when they solve a problem correctly and become confident in the topics.

Larissa holds a Bachelor’s in Chemistry from the California Institute of Technology. In her spare time, she enjoys dancing, gymnastics, outdoor activities, and photographing the Bay Area scenery.

Ellen, Instructor

Ellen brings her love of tutoring to Mathnasium. As a regular chemistry tutor, she has seen firsthand how students can be held back by a lack of confidence in math. This fires her passion for tutoring math. She loves watching students gain confidence in school subjects and particularly believes that advancing in math helps students advance in life. 
Ellen has a Ph.D. in Chemistry from the University of Illinois and worked in New Zealand and Singapore, before settling in the Bay Area. Currently, she is pursuing an MBA at Santa Clara University and relaxes by swimming laps and going for long walks, preferably with a dog. 

Brianna, Instructor

Brianna is from Wahiawa, Hawai'i. She has come to Northern California area to study Accounting at Menlo College. At Menlo, Brianna also serves as a Peer Tutor through the college's Academic Success Center where she provides help in all math topics provided at Menlo and also basic level Accounting. She holds a passion for giving back to the communities that contribute to her growth and sees Mathnasium as a great way to start giving back to her new surrounding community. 

Purva, Instructor

Purva graduated from UC San Diego in 2014 and holds a Bachelor's in Mathematics-Scientific Computation. She has extensive math tutoring experience at her High School as well as at UCSD. Aside from teaching math she loves hiking, going to the beach and dancing. Currently she plays softball with the City of Palo Alto. Purva is passionate about showing kids that math can be fun when it makes sense, and encourages students to realize the endless applications of math in the real world.

Alex, Instructor

Alex graduated from the University of Califonia, Merced in 2016 with a degree in Management and Business, and has since worked in the Bay Area. After tutoring at various programs over the years, he has realized the satisfaction that comes from helping a child with a difficult concept or problem. Alex is excited to work at Mathnasium because he is given the opportunity to work with children and further his passion for education. He believes that by providing a child with a strong foundation in Math, he is preparing that child up for success in his or her academics and future. 

When Alex isn't working at Mathnasium, he can be found exploring cities and finding the best restaurants in town to dine at. He also enjoys hiking, watching NBA, and having a picnic whenever he can.

Josh, Instructor

Josh loves helping kids learn and understand how math can be used in everyday life by making math fun. Having struggled in school himself, Josh knows how much a little bit of tutoring can impact a student's overall attitude towards learning. Josh believes that sometimes all it takes to become interested in math is to understand it. He looks forward to helping boost students' confidence just like others have done for him in the past. 

Shiva, Instructor

Shiva is a junior at Sequoia High School. Currently, she is studying both BC Calculus She has had previous tutoring experience with Healthy Cities Tutoring as well as through peer-tutoring programs at Sequoia. She has always had a love for math, primarily because of the hidden creativity found in designing new ways to solve or explain a problem. While she is not working at Mathnasium, Shiva enjoys dancing with Sequoia’s Advanced Dance Class, the Sequoia Dance Team, and the San Carlos School of Ballet. She also plays the tuba, sousaphone, and baritone with Sequoia’s Advanced Band. 

Savvy, Instructor

Savvy is a junior at Sequoia High School. She is taking AP Statistics. She loves math because there is always something new to figure out and when that happens it is an amazing moment! Savvy loves to teach kids so they can have those very same moments. She is also the president of a club at Sequoia centered around helping people. In her free time, she love to sing on her own and in the Sequoia Choir, play ukulele, run, and hang out with friends.   

Mollie, Instructor

Mollie is a senior at Woodside High School. She has taken both Calculus AB and BC, as well as AP physics C. Math is her favorite subject in school and she is taking AP Statistics and Multi-Variable Calculus through a Canada College course taught on the Woodside High School campus. She is also one of 50,000 Commended Students who could become National Merit Scholar Semifinalists. Aside from teaching at Mathnasium, she enjoys singing, dancing, and participating in plays and musicals. 

Laurel, Instructor

Laurel is a senior at Woodside High School. She is currently taking multivariable calculus and AP Statistics, and she has also taken AP Physics C: Mechanics and AP Computer Science. Her favorite subject is physics because she loves seeing how math can be applied to everything around us. Laurel loves to work with students who struggle in math and help build their confidence to do well in school. In her free time, she enjoys hiking with her dog and playing water polo.

Andrew, Instructor

Andrew is a junior at Sequoia High School currently taking a pre-calculus class. Andrew has always loved working with kids and has been at mathnasuim for several years proir for extra help. His favorite activities for after school is golf and videogames. He finds it fascinating how much numbers are used in the games he plays. 

Ammar, Instructor

Ammar is a junior at Menlo Atherton High School. Calculus really peaked his interest and now loves learning math more than ever. He is excited about teaching young students and spreading his enthusiasm. In his spare time, Ammar loves to play tennis, hang out with friends, and do community volunteering. He also enjoys reading and solving challenging physics problems.

Alex, Instructor

Alex is a senior at Sequoia High School currently taking IB Math HL and pursuing the IB Diploma. He wants to help create a fun learning environment for the students at Mathnasium. After school, he runs track, participates in school plays and musicals, and runs his school's debate team. He has a strong interest in aeronautics, cars, and computer science, and loves learning about these in his free time.

Jay, Instructor

Jay is a junior at Sequoia High School currently taking AP calculus. An avid math competitor in math competitions since elementary school his love of math and math competitions has never stopped. In his free time, Jay plays baseball and golf and is in the leadership program at Sequoia High School. Above all else, Jay is a mega-fan of "Survivor" and has never missed an episode.

Natali, Instructor

Natali is a junior at Sequoia High School. She is currently studying BC Calculus and has tutoring experience with Reading Partners. She enjoys learning and tutoring math because of the endless real-world applications it has, and the satisfaction that comes along with mastering a new concept. In addition to school and Mathnasium, Natali spends her free time playing volleyball and lacrosse, and spending time with her friends.