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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:

CenterDirectorAndre Bertrand, Owner and Center Director 

Andre is Center Director at 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.


Paul Taylor, Assistant Director

Paul has been working in education, and working with youth, for the last several years. This includes working in special ed., tutoring math at the college level, and teaching logic and critical thinking. More recently he obtained an AS degree in mathematics, with the hopes of better teaching math to young people. In his free time, he likes to explore the great outdoors of the bay area.

Vini Madapoosi, Assistant Director

Vini is a sophomore student at UC Berkeley who would like to become an accountant. She enjoys reading, especially about history and culture. She's had three years of experience as a tutor and loves helping young students gain confidence in their math skills.

Grant Emmendorfer, Instructor

Grant is a 3rd year student at UC Berkeley, studying Mechanical Engineering. Grant is a big fan of robotics, and spends most of his spare time helping a couple of robotics organizations on campus, playing sports, and games. He has always enjoyed teaching and explaining, and has been tutoring math to peers and younger children since he was in 8th grade.  He is excited and hoping to make a positive impact in his tutoree's future.

Simon Yong, Instructor

Simon is a Junior at Albany High School who is currently taking AP Calculus BC. He has experience teaching young kids the piano, and is eager to work with kids in the future. He enjoys many activities, including computer programming and robotics. In his spare time, he enjoys playing the piano, listening to music, and reading.

Carolyn Lee, Instructor

Carolyn is a junior at Albany High School  taking Precalculus Honors. She plays viola in an orchestra outside of school. She enjoys logic puzzles and riddles. She also enjoys math because with the right baseline knowledge and key information, you can discover important mathematical concepts on your own in a way that makes sense to you and isn't just memorization.

Willy Cheung, Instructor

Willy is a third year student at UC Berkeley. He studies Integrative Biology and he hopes to one day be a sports medicine physician working with athletes. Willy shares a strong interest teaching children because he loves being a role model. Willy had an older brother who helped him along the way and he wants to do the same for the younger generation. In his free time, Willy enjoys watching movies of all genres, reading sci-fi novels, and playing pickup basketball.

Camille Pauley, Instructor

Camille is a senior at Berkeley High School and is currently taking Differential Equations at Berkeley City College. She has experience teaching kids and developing their confidence as both a youth soccer coach and a volunteer math tutor at Berkeley High. In her spare time, she enjoys playing competitive soccer, backpacking, and gardening. She will be attending Dartmouth College in the fall and majoring in Environmental Engineering.

Julia Dinglasan, Instructor

Julia is a second-year civil engineering student at the University of British Columbia. She enjoys math and learning, and has had the pleasure of sharing these enjoyments with students when she was a peer tutor for both math and violin at Albany High. Julia passionately believes that anyone can succeed in math if they are given the tools, time, and attention appropriate for them. Her interests include reading, cooking, photography, hiking, and drinking decaf coffee. 

Kun Lee, Instructor

Kun has recently graduated from UC Berkeley with a bachelor's degree in physics. He has experience leading college chemistry review sessions. He also has been giving sailing instructions for over three years. He loves tutoring because it makes what sometimes can be a difficult subject into more manageable team effort. He hopes to be a valuable teammate in the mathematics journey, that not only guides students but also learns from them.

Hawk Rajjoub, Instructor

Hawk is a junior at Albany High. He is currently taking Precalculus Honors. In his spare time, he enjoys playing basketball, doing robotics with the Albany High Robotics Club, and listening to music. Hawk has three younger siblings, all of which he tutors. He is also a peer tutor at the high school, and really enjoys seeing academic development in the young generation. He too hopes to study medicine and pursue a future in the medical field.

Rian Montagh, Instructor

Rian is a junior at Albany High School and is taking Precalculus Honors. She has always enjoyed math and she believes that each student has the ability to learn in their own way. Finding the best way to explain concepts in the manner that makes sense for students is very rewarding for her. Rian also loves being in nature, playing sports, including soccer, golf, and basketball, and reading all types of books.

Hailey Park, Instructor

Hailey is a junior at Albany High School who is currently taking AP Calculus BC. She enjoys math and teaching, and hopes to instill this same passion in her students. Hailey is a peer tutor at her high school, and also has experience tutoring her younger sister in math. She believes that math can be more approachable with the right foundation, technique, and instruction, and is committed to helping students develop their own confidence in their math abilities. Her interests include reading, playing soccer, listening to music, and exploring new places.