Mathnasium 994 Gainsborough Road, London ON N6H 5L4 (519) 641-6284

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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:

Melissa Elfers, Centre Director

My name is Melissa and I completed my Honors Specialization in Psychology at King’s University College in 2017. My undergraduate thesis investigated the validity of tools used to measure non-symbolic and symbolic magnitude representation in children and adults. Also, as an undergraduate, I created an application that helped identify and intervene on math anxiety in young school-age children. I have a lot of experience working with kids and love working with them. I enjoy working at Mathnasium because it gives me an opportunity to help kids understand math in ways that will benefit them in the short and long term. I love to read books, crochet, draw, and watch super hero movies.  

Centre Director/Owner


Jesse Bergmann, Owner

Jesse obtained his University Degree at Wilfrid Laurier University, graduating with a B.A. in Sociology and minor in History. He travelled to Australia to obtain his Master of Teaching and has been teaching with the Avon Maitland District School Board since 2004. He is familiar with the Ontario Math Curriculum and has taught the subject in multiple grades. He has several years experience as a 1-on-1 Math Tutor with students ranging in grades from 2-12 with a high degree of success. His passion in Math is evident in the way he approaches teaching as well as in the success of students who he has helped. Helping students overcome the fear of Math and creating the self confidence necessary to be successful is his driving force.

Centre Director/OwnerDerek Yost, Owner

Derek graduated with a B.A. in Sociology from the University of Western Ontario in 2002. He then travelled to Australia to obtain his Master of Teaching from Griffith University. He has been teaching in the Thames Valley District School Board for 10 years now and has earned his Special Education Specialist certification. Derek's ability to develop strong connections with students and families drove him into business for himself helping students in the area of Math. Coaching the Western Women's Lacrosse team to 3 OUA Championships demonstrates his strong desire for success and leadership capabilities both on and off the field.


 Hitarth Dalal, High School Learning Instructor

I’m currently at Western pursuing an undergraduate degree in Medical Science. Math has always been the subject that made the most sense to me because of all of the logic that goes into solving the problems. Working at Mathnasium has been an amazing experience for me so far and I love seeing the satisfaction on the students’ face after they finally understand a new concept. I enjoy working here and want to see students grow and become even more proficient in mathematics.

Priya Thandrasisla, Elementary & High School Learning Instructor

I am currently in my second year working towards obtaining a Bachelor of Medical Sciences degree at Western University. Learning math throughout high school has helped me learn about its applications and develop my passion for the subject. I really enjoy working at Mathnasium and seeing kids gain confidence in math. In my free time, I enjoy reading and playing guitar.

Lara Mailloux, Elementary & High School Learning Instructor