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.

Rebecca Smith

Rebecca is excited to join the Mathnasium family. She has spent the past several years working with children with autism, helping them integrate into community programs. She has a background in graphic design and fine arts, as well as many years working in sales and marketing. Rebecca brings a unique perspective to the Mathnasium team. Combining her many years of working with children with her years in the marketing world, makes her the perfect person to help promote the Mathnasium program.

Paul Onica

Centre Director(Vaughan)/Social Media Director(Vaughan)
Paul is the Centre Director/Manager at Mathnasium Vaughan primarily, but also moves occasionally to the Thornhill centre. He has a B.A. in Liberal Studies with a concentration in Anthropology from California State University, Long Beach. Paul has previously worked extensively in Food Services as well as Retail Management, and enjoys all aspects of Daily Centre Operations. Mathnasium has been a welcome career change for Paul and he finds it extremely rewarding interacting with both students and parents! He is fully commited to helping to teach and mentor the kids in our centre. Their Math development and confidence growth is his main priority and he prides himself on ensuring a fun, safe, and enriching environment for all of our students! Paul is also the Social Media Director and runs the Vaughan social media accounts! He is a huge sports fan and enjoys watching sports, tv shows and also enjoys music....the 80's and 90's are his preferred eras! Finally, as our kids can attest, Paul likes shoes...a lot. He collects sneakers and is known for wearing a different pair every day!

Melissa Garro

Manager/Administrator/lead Instructor
Melissa has worked with Mathnasium for over 7 years. She started when she was at York University working towards becoming a math high school teacher, and quickly realized the benefits to applying the Mathnasium methods in her own practice. Melissa graduated from both the Faculty of Education, B. Ed., Inter/Senior Mathematics & Social Science Concurrent program and the Faculty of Science, B.A., Spec. Hons. Mathematics for Education program in 2017, and now spends her days teaching as an Ontario Certified Teacher. Aside from teaching math Melissa loves playing sports, spending time with friends/family, and travelling when she can.


Lead Instructor
Antonio is currently in his fourth year at York University. He is very skilled and passionate about math! Antonio is determined to contribute to the growth and development of Mathnasium Vaughan and its students! His top priority is to help students with any misunderstandings that may occur and to help them to start enjoying math as he did in school. He also strives to create a positive space for children and High School aged students alike, while helping them build their math skills and confidence levels. Antonio prides himself on being sympathetic, kind, and compassionate and his teaching style reflects this.


Lead Instructor
Daniela is currently in her third year studying psychology at York University for her Bachelor of Arts. She hopes to one day become a child psychologist as she has always had a strong passion for working with children. Her love for math started at a young age and continues to grow every day as working with the students has made her love math even more. Being an instructor at Mathnasium has been the perfect job for her since she takes great pride in helping students grasp concepts and learn something new in math every time they come to the centre. Her top priority is not only to make sure the students understand the concepts but to put a smile on their faces every time they come in. She strongly enjoys the fun aspect of her job and is dedicated to helping students build their confidence in math. When she is not teaching at Mathnasium, or doing homework, she enjoys spending time and going out with friends and family.


Lead Instructor
Marc graduated with a Bachelor of Mathematics at Trent University. He was a student teacher as part of his teaching program at Trent and has always wanted to continue his love for teaching after graduating. Marc has always thought that mathematics was an excellent way to develop reasoning and problem solving skills. He excels at helping students understand the many different ways to solve a problem and teaches with the appropriate method for them. His favourite activities include video and board games, playing chess and travelling!


Michael has been an instructor with Mathnasium since the Fall of 2022. He graduated with a Bachelor's Degree in Aerospace Engineering from Toronto Metropolitan University. Growing up, Michael discovered his passionate for mathematics, through years of elementary and high school, which lead him to pursue it in his studies when he did his university degree. Michael's younger sister recognized his willingness to help out others when she approaching him for help on her math/physics homework, and encouraged him to consider pursuing teaching. He discovered that she was right, and has taken pride in helping students at all grades levels of Mathematics. Michael always ensures to make an effort to connect with students and develop good relationships with them, in order to maximize their enjoyment when they come in to the centre. When not present in the classroom, Michael loves to spend his spare time refereeing soccer at the adult amateur level as an accrediting referee with Ontario Soccer. He is also a former competitive swimmer, competitive runner, and continues to pursue these activities. Michael recently completed a non-certificate degree program from the University of Waterloo in Data Science, and is devoted between a career in data analytics and teaching/instructing.


Catherine graduated with a Bachelor of Arts Honours degree in Psychology from York University. She is currently in her final year of Teacher’s College. She hopes to become a teacher one day as she has always wanted to work with children. Catherine strives to create a positive environment for all children to learn math and to build their confidence in math. In her spare time, she tutors children from different age groups, especially in math. Catherine also loves to travel, whenever she can. In her free time, she loves to spend time with her friends and family as well.


Karina is a high school student heading into her grade 12 year. She is passionate about math and has always loved helping others understand mathematical concepts and sharing her interest and passion for math. Karina thoroughly enjoys working with kids and providing any assistance they need when solving questions. In Karina’s free time, she likes hanging out with her friends and watching shows and movies!


Instructor (Summer)
Clare is currently entering her fourth year at McMaster University. Mathematics has been a passion of hers since the beginning of high school and she hopes to work in a finance-related field after school. She loves to help others learn and understand different concepts as math has always been fun for her and she hopes she can help others enjoy it as well. Clare loves the Mathnasium environment as it gives students a safe space to ask any questions they need answered, and allows them to build confidence in their math skills. When she's not teaching others math or working on her own math skills, Clare loves to read fiction novels, watching her favorite TV shows, and spending time with her friends.


Gianluca is a second year industrial engineering student at Toronto Metropolitan University pursuing a Bachelor’s of Engineering degree. He has excelled in math since his early high school years and is proficient in upper level calculus. He is passionate about teaching others the principles of math and ensuring a good understanding of core mathematical concepts. His favourite part about working at Mathnasium is the satisfaction of knowing that the skills he teaches his high school students are transferable to their higher education. In his free time, Gianluca enjoys playing baseball and running.


Alyssa is in her first year at York University studying psychology for her Bachelor of Arts. From a young age, Alyssa has always had a passion for working with children and she hopes to pursue a career that will allow her to do just that. At Mathnasium, Alyssa strives to create a positive environment for kids to be able to ask for help, develop math skills, and build their confidence. Alyssa has always thought of math as an important part of life and as an instructor she loves being able to help kids grasp this life skill in a fun environment. In her free time, Alyssa loves to travel and see all different places around the world. She also loves spending time with her family and friends.

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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