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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:

CenterDirectorWalter O. Jackson, M.D., M.P.H., Center Director 

Each child's well-being, academic success and math really matter to me. I loved tutoring math when I was a math and biology undergraduate at Cerritos College and at the University of California, Irvine (UCI) and by helping my own children grow stronger in their math skill set. A strong math background was a keystone in the foundation for personal achievement in earning my medical degree from Yale Medical School and an M.P.H. from UCLA.  A world of opportunities ensued.  They enable me to secure USAF medical school and emergency medicine residency training scholarships.  Through committed military service, I was able to rise to the rank of Lieutenant Colonel while serving my country during stateside active military duty, in the USAF reserve as a medical officer and flight surgeon and also in deployed status to Balad Air Force Base, Iraq. My life experiences will serve me well in leading our center to be the "go to place" for math learning in our community. Mathnasium is a powerful tool to help students realize their full academic potential and dreams. Mathnasium of Marina del Rey is a fun yet appropriately rigorous environment for math learning.  Our team of talented instructors will connect with your child to teach math in a way that makes sense to them.  At Mathnasium, students lose their fears and gain confidence in math thus opening more doors to greater victories in math, in school and in their everyday endeavors.  Mathnasium of Marina del Rey is excited to partner with parents, local schools and community to ensure students have strong educational support and rich opportunities to help them grow and enjoy greater academic performance.  Whatever your math needs are, from catching up, keeping up and to getting ahead in math, math test preparation to one-to-one tutoring Mathnasium of Marina del Rey, CA is poised to assist you.  Contact us today to find out more about how Mathnasium can make a positive difference in a child's life.

 Jeanette Randolph-Jackson, Center Director

Jeanette has a background in medical research, specializing in Oncology. She worked in this field for 15 years. As a mother to three young children, she knows the importance of education as a key part of success for students at any grade level. Soon after moving back to Los Angeles in 2014, Jeanette enrolled her children at the Mathnasium center in Cerritos. The Mathnasium Method blew her mind! After seeing the success of the program, she decided to team up with her husband Walter Jackson to open up a center here in Marina del Rey. She hopes to be an active member of the educational community and to make a positive impact on everyone who is in need. 


Diane Conrad, Assistant Center Director

Diane's educational background includes classes in Childhood Development at UCLA, a B.A. and Multiple Subject CLAD Teaching Credential from Loyola Marymount University, a Master’s Degree in Education & Curriculum, and a Master’s Degree in Educational Administration from Grand Canyon University. For the last 20 years, she has worked in schools in the Los Angeles area as a teacher, Principal and Vice Principal. She’s taught grades K-8 in all subject areas. Math is her favorite subject to teach. She loves working with children, and Mathnasium offers the tools to help young learners improve critical math skills and understanding, regardless of their current ability level. The curriculum is engaging and focuses on essential skills so students “get” the concepts with a progressive and fun approach to math literacy.


Sandy Urbano, Instructor

Sandy is a recently retired National Board Certified high school math teacher from Fort Lauderdale, Florida. She taught the last 25 years at Plantation High School, where she served as the Mathematics Chair for 16 years. She and her husband have lived in Marina del Rey for the past year and a half. Sandy is excited to be able to work with students and help them better understand math by applying the Mathnasium Method.




Marion Pigalle, Instructor

Marion was born in Paris, France where she earned a Master's Degree in Mathematics and a French credentials to teach Integrated Mathematics. She has been a teacher for over 10 years in French American and International schools. She has two girls, Daphine and Elsa who attend CDA Elementary. Marion is looking forward to teaching all levels of students using the Mathnasium method. 





Kevin Bui, Instructor

Kevin is majoring in Business Finance at California State Univeristy, Long Beach. With a strong passion for mathematics, he wants to help students to overcome their math anxieties. Kevin focuses on building a strong foundation for students in order to help them do more math mentally. He promotes creative thinking and provides different approaches to solve problems. Kevin's ultimate goal is to help students to do mental math confidently and perfectly. 


Tierra Murphy, Instructor

Tierra is pursuing a B.S. in Computer Science and Psychology. She has a deep love for math and the scientific world, and loves to share her passion with others. Tierra has worked as a private tutor for 3 years and is excited to join the Mathnasium family! On the weekends, Tierra likes to do improv and she hopes that you think she's funny!



Darius Koroni, Instructor

Darius is a current student of UCLA studying Computer Science and Linguistics. Based on his own experiences overcoming hurdles in mathematics, he hopes to extend his knowledge to others who are struggling with numbers. By developing core fundamentals as a base, Darius plans on giving every student a solid platform from which to continue their schooling in math. During his free time, Darius tries to develop and code applications and video games.