Lead Teachers

Stefan Trienekens

Earth Science

Mr. Trienekens has extensive experience tutoring small groups of up to four students in biology, college-level remedial math, writing, physics and history.

Shirley Esfandiari

Global History

Ms. Esfandiari specializes in high-school US history and world history, including honors courses in both subjects.

Sharona Eshet-Kohen


Ms. Eshet-Cohen holds Bachelor degrees in economics and legal studies, and a Master’s degree in Israel studies with a focus on history.

Rachel Kaufman


Ms. Kaufman’s experience includes teaching both mainstream and special needs elementary school students. In addition, she has taught adult education classes and worked as a private piano teacher.

Momeena Garcia


Momeena Garcia teaches math (K-12 and college), English language arts (elementary and middle school), special education (K-12), and Spanish, as well as preparation for exams such as the SAT and ACT.

Luisa Frias


Ms. Frias teaches elementary and high school literature, reading, English and college-level pedagogy and business. She also has training by the AVID organization in how to teach for college readiness.

Michael Golabek


Mr. Golabek holds an M.A. in teaching and an M.Ed. in educational technology. He holds an Illinois teaching license, and is certified in secondary education (English language arts grades 6-12) and special education.

Alex Lasky


Ms. Lasky says her educational philosophy can be summed up in one sentence: “Practice, practice, practice until no numbers can surprise you.”

Bill Litwack

English Language Arts

Mr. Litwack loves to learn as well as teach, and brings his curiosity and knowledge on a wide range of topics into the classroom, such as history, sociology, philosophy, and more.

Edith Castro


Ms. Castro teaches middle and high school math up to calculus, with special expertise in algebra at all levels. She uses technology extensively.

Josh McLaurin

Global History

Mr. McLaurin has also been trained by the College Board to teach AP courses, and to teach for the ACT exam.

Judy Powell

Global History

Ms. Powell is certified in New York to teach social studies and special education social studies to grades 7-12; in California to teach social sciences and special education (moderate disabilities) to grades K-12; and in Massachusetts to teach history and political science/philosophy to grades 8-12.