Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.

Zalia P.

Lead Instructor
Zalia earned her BS in Mathematics with a secondary major in Spanish from Amherst College. Post-graduation, she contributed at the college's quantitative center, aiding intermediate math students. From there, Zalia embarked on furthering her education, pursuing an M.Ed. in Educational Research at Boston College. During her time there, she supported student-athletes as an academic graduate assistant while completing her studies. Zalia's passion for teaching was further ignited as a math/science instructor for middle schoolers at the Prep@Pingree summer program at Pingree School. Her experiences as an educator have highlighted the joy of observing students' developmental progress, and at Mathnasium, Zalia eagerly witnesses and fosters this growth firsthand.

Sully S.

Sully is a highly accomplished mechanical engineer with an impressive track record of success. A proud alumnus of Northeastern University, he graduated with honors, earning a BS in Mechanical Engineering. His academic journey was marked by hands-on experience, working with prominent companies like Hasbro and SharkNinja through Northeastern's prestigious full-time co-op program. In addition to his engineering prowess, Sully has also excelled in the field of education, serving as a dedicated Mathnasium Instructor for nearly 6 years. His unwavering passion for mathematics has not only shaped his career but also fueled his commitment to inspiring students in their mathematical explorations. Beyond his professional achievements, Sully is an avid board and card game enthusiast, known for his quick wit and infectious laughter that brings joy to those around him. His love for strategy and challenge in games mirrors his approach to his new leadership role, where he is poised to make a significant impact. When he's not teaching at Mathnasium of North Andover, he is an Assistant Director at Mathnasium of North Beverly.

Rachel R.

Rachel holds a BS in Applied Mathematics from Endicott College and joined the Mathnasium team in 2020. Prior to this, Rachel worked as a STEM facilitator for an online camp, where she enjoyed conducting engineering and other STEM experiments. Rachel was impressed by the Mathnasium Method's customized approach, which transformed her perception of what was possible in math education. Working alongside passionate Mathnasium Instructors further fueled her enthusiasm for this role. Originally from the South Shore, Rachel loves spending summer days at the beach and going on bike rides along the water. In the winter, she enjoys skiing and building snow forts. Her furry friend, Gizmo, accompanies her on all of her adventures! When she's not teaching at Mathnasium of North Andover, she is an Assistant Director at Mathnasium of North Beverly.

Our Mathnasium Mission

Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

What I love about Mathnasium is the ability to teach problem-solving skills and make math make sense, while also making a student smile.
Amber W., Mathnasium Instructor

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