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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:

CenterDirectorLori Kim, Center Director 

Lori is the Center Director at Mathnasium of South Costa Mesa. Prior to opening her Mathnasium center, Lori was a full time homemaker and raising three teenage girls. She has a BA in Anthropology from the University of California at Berkeley.  

Having struggled with her own child in math, Lori enrolled her daughter in Mathnasium which ended the homework wars. Witnessing the success of the Mathnasium Method in her own child, she is passionate about teaching other children of all ages how to make math make sense. She firmly believes that every child has the ability to succeed in math and become problem solvers once they understand the concepts.  In her spare time, Lori loves to travel and explore different regions of the globe with her husband and three children. 


Julia, Assistant Center Director 


Julia is the Assistant Center Director at Mathnasium of South Costa Mesa. Growing up she has always had a passion for math and working with kids so naturally a math instructor was the perfect position! She has worked at multiple Mathnasiums in Southern California as an instructor and is now our Assistant Center Director helping to make each child's experience here a good one! Julia is currently pursuing her B.S. in Civil Engineering at UC Irvine and on her off time she can be found snowboarding, playing sports, or simplying spending time with friends and family.



Calvin, Lead Instructor 

Calvin is currently working on a transfer program at Orange Coast College to obtain a degree in Pharmaceutical Sciences.  In addition to his passion for medicine, he enjoys working with kids. He also takes joy in problem solving and helping others see new perspectives in different situations.  In his spare time, he enjoys reading a good story, listening to music, and trying new foods. 






Daniel, Instructor 

Daniel has long known math's importance to a successful and rewarding education. Though he went to college to study biology, he has a respect and knowledge for math up to the level of single variable Calculus. Daniel is eager to show students the irresistable logic that prevades math in order to help them achieve their math goals. 







Xinghan, Instructor 

After a long career in engineering, with advanced degrees, Xinghan taught elementary through high school math as a private school teacher in Orange County, California. Xinghan now tutors at Mathnasium, teaching children of all ages and mathematical backgrounds. 






David, Instructor 

David is currently pursuing his B.S. in computer engineering at UC Irvine. On his free time he likes to play games and travel, as well as has a passion for snowboarding.