Mathnasium 6520 N Lincoln Ave, Lincolnwood IL 60712 (847) 983-8247

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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:

Owner/Center DirectorBerish Cardash, Owner

Prior to getting involved with Mathnasium, Berish spent the past decade in the collegiate world as the Director of Admissions of a liberal arts college. In that position he helped create new undergraduate college programs and was responsible for the recruitment and retention of its' students. In this capacity, Berish traveled around the globe during which time he counseled hundreds of students in planning for their futures. It was during these years that Berish saw firsthand the tremendous need to maintain strong math skills in order to succeed at the college level. Berish is the father of six children. His wife is a Director of an Early Childhood program in Chicago. In his "spare time" Berish founded the largest private men's basketball league in the country. He has also created a charity that gathers and distributes yearly more than 12 tons of clothing to the needy. A product of CPS Magnet School System (Decatur Classical) Berish is looking forward to helping students achieve their full potential as the first Mathnasium Learning Center in the Chicagoland area.


Matt Jastrebski, Center Director 

Matthew is a Chicago native, born and raised. He has completed separate degrees in Applied Mathematics and Physics. Matt has a passion for making Math accessible to everyone and has been tutoring and teaching in some capacity for the past ten years. Apart from his passion for math, Matt enjoys art, finding good books, and making things with his hands. When he’s not at Mathnasium, you can find him lost in a new book or playing with his little nephew.


J.J. Kuszynski, Instructor

Jack is a dedicated educator finishing his degree in mathematics and secondary education at Northeastern Illinois University. He has always dedicated time to helping students in mathematics as a tutor since high school. In his free time, he enjoys cycling, playing Pokemon, and drinking coffee.


Amna Haque, Lead Instructor

Amna graduated Loyola University Chicago and was a Illinois State Scholar, White Honor Awardee, Bronze Honor Awardee and graduated Magna Cum Laude. She loves working with kids, and she also enjoys learning languages and can speak four different ones. In her free time, Amna likes to read and spend time with her pets


Jonah Hames, Instructor

Jonah is a senior at North Park University who is looking to achieve a BA in Mathematics. He enjoys all levels of math, and does not currently have a favorite. Although he loves math, he shares a love for writing, and helps his college peers as a writing advisor. In his free time he plays computer games on a computer he built himself, and is always trying new recipes in the kitchen.


Josh Muchmore, Instructor 

 Josh is a graduate of Purdue University with a BS in Engineering and has always enjoyed teaching. In a very short time Josh has made an indeible impact on our students and center. Josh is now pursuing high education and is enrolled in Northwestern University's Data Science Bootcamp. Josh is proficient in highter math through AP Calculus BC. 



Eleanor Ward, Instructor

Eleanor is a senior at Evanston Township High School and is taking Multi-Variable Calculus. She loves working with kids and sharing her passion for math. In her free time, she enjoys running, reading, going to the beach, and spending time with her friends and family. 


  Dorcas Li, Instuctor     



Simmie Cardash, Instructor




Dina Romanoff, Center Director (Retired)

Dina holds a Bachelor's Degree in Science with Honors from the Illinois Institute of Technology. She has been teaching for over 18 years at Beth Hillel Academy in Wilmette, IL. She is also a high school Biology and Physics teacher at Lubavitch Girls High School in Chicago, where she has taught for over 7 years. Her attendance at numerous continuing education seminars has enriched her teaching skills. Dina has always enjoyed the challenge of math and has spent her entire career working in the education field. Experiencing the gaps in her own children's math education has given Dina the drive to help establish the first Mathnasium center in Chicago. Mathnasium is a perfect fit for her passion for teaching and her love for math. She is married to Marc and has six wonderful children.