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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:

CenterDirectorSeth Bullwinkle, Owner-Center Director 

Seth is the Owner-Center Director at Mathnasium of Gilroy. In addition to his Mathnasium center, Seth works as an Engineering Manager at a Silicon Valley aerospace company. Seth holds a Masters in Applied Mathematics from University of Washington and a Bachelor of Arts in Mathematics from the University of Illinois. Seth enjoys math and can often be caught solving math problems for fun. He has tutored children of all ages, and he is committed to bringing the Mathnasium Method to the children in the Gilroy community. 



CenterDirectorJessica Bullwinkle, Owner-Center Director 

Jessica is the Owner-Center Director at Mathnasium of Gilroy. In addition to her Mathnasium center, Jessica is a Licensed Marriage and Family Therapist specializing in children and adolescents with a local private practice. Jessica holds a Masters in Psychology from National University and a Bachelor of Arts in Organizational Communications from CSU, Sacramento. Jessica struggled as a child in math and understands “math anxiety”, she also understands how tutoring and math making sense can feel amazing. She feels that Mathnasium is a great opportunity to build confidence in children and freeing them to be whatever they want to be when they                                                    grow up. 


    Braulio, Assistant Center Director 

 I’m Braulio, the Assistant Center Director at Mathnasium of Gilroy.  I proudly served eight years in the Army and during that period I deployed to Afghanistan and Iraq. Since my return,  I’ve earned an Associate Degree in Business, and I am currently pursuing a Bachelor  Degree in Business with emphasis in accounting at UC Santa Cruz. The best part about  being here at Mathnasium is that “ooooh” look on a student’s face when  they get a concept. It is very rewarding to know that I’m playing a little part in shaping a  better future thanks to Mathnasium.


     Roshan, Instructor

 My name is Roshan and I am a learning instructor at the Mathnasium in Gilroy, California. I  am 19 years old and a third year at Cal State Monterey Bay University. I'm studying to get  a Bachelor of Science in Mathematics and an Associate of Arts in Creative Writing and  Social Action. I love sports, music, art, and all types of culture. I hope to one day travel the  world and help start schools where I can teach under privilege kids math and other useful  life skills. I love math so much that I do it in my sleep for fun. 


     Aaliyah, Instructor

 My name is Aaliyah (or Liyah). I graduated from Gilroy High School a year early with my last math class being AP Calculus and am currently studying at Gavilan College for an AA in Digital Art and an AA in Mathematics. I hope to eventually go into Animation or become a teacher. I've been babysitting for several years and love working with kids at the Mathnasium. Besides math, I enjoy art, animals, and music.



      Samantha, Instructor

My name is Samantha and I love working with students to help them find their own passion for math. I graduated from Cabrillo College with an Associate degree in Liberal Arts and Science with an emphasis on Interdisciplinary Studies, where I obtained an award for the "Teacher Preparation Pipeline" program. I am currently working towards the goal to become an elementary school teacher in low socioeconomic areas. I enjoy working at Mathnasium because it provides a happy and healthy environment for children to learn. 


    Jon, Instructor

My name is Jonathan, or Jon for short. I love math and helping others learn! I am a student at California State University Monterey Bay and I am studying to get a Bachelor of Science in Mathematics with a minor in Computer Science. I attended Gavilan College where I graduated with an Associate degree in Mathematics and an Associate degree in Computer Science. I was also awarded a scholarship by The Gavilan College Faculty for academic achievement as a college math tutor and student leader. Aside from math, I love hiking, photography, and science fiction.