Instructors' Bio

Lee-ling Chew, a UT graduate in 1993 with a Master's degree in Professional Accounting (MPA), has been homeschooling both her children since they were in pre-K using Singapore Math® for their math curriculum. Additionally, she used additional challenging math curriculums (Beast Academy and Art of Problem Solving) with her math gifted son. She loves math and has been tutoring math since high school. A naturally gifted teacher, she will sharpen your children's math skills in just a few sessions with the world leading math curriculum - Singapore Math®.


My name is Kristie Malley and I have been a teacher for 13 years. I graduated from the State University of New York at New Paltz with a Bachelor of Science in Elementary Education and a concentration in mathematics. Two years later I graduated from Long Island University with a Master of Science in literacy. I taught for 10 years in 4th grade while living in New York, 5 of which I taught math using the Singapore Math Program. This is now my third year living in Austin and I have been teaching 1st grade since my move here. I am passionate about learning and math and hope to foster that love with my students!


Hello, my name is Mimi Byun and I have been teaching multiple subjects across various grades. I taught fourth grade at a private school for gifted children when I encountered Singapore Math curriculum and promptly began my training. A graduate from UT Austin in English, I also completed my Masters degree in English. I love critical thinking and making learning fun.




My name is Caleb Anderson, and I was born and raised in Texas. I am a math major student at UT with two careers in mind. I want to be a community college teacher in mathematics as well as a counselor. After all, the best teachers are counselors too. I am also the firstborn of six children from a homeschooling family, so I have significant experiences teaching younger age groups.





Hello, my name is Dalila Calderón. I look forward to getting to know each student and discover their own unique way of learning. It is my goal to meet the needs of every student and teach the way they learn best! I graduated in 2019 with my Bachelor of Science in Multidisciplinary Studies with a focus in Early Childhood-6 from the Texas Tech University.



Hello, My name is Swapna Pogula and I am information security analyst. I hold a masters degree in business administration. I taught 2nd and 3rd graders abacus for a couple of months. I always have a passion for math and Singapore math excites me towards this move.


Hello! My name is Joseph Kim. I love mathematics, and I have experiences in teaching math to various age groups (kinder to college level). I graduated from UT Austin with a Master’s degree in Computational Science, Engineering, and Mathematics (CSEM), and earned a Bachelor of Science degree in Applied Mathematics from Hanyang University, South Korea. I am married to my dear wife, Olivia, and we have two little children, Ethan and Claire.