The TEACH Team

Advisory Board

Yair Saperstein
Co-Founder and Director
Hi! I’m Yair, and I’m a resident at Downstate. I like to make music, and I love teaching. My latest projects include volunteering with the Village Health Workers of Kisoro, Uganda, and leading the international grass roots education program, START Science.
Yosefa Schoor
Co-Founder and Director
Hey! I’m Sefa, and I’m a second year student at Einstein medical school. There are few things I enjoy more than getting my hands dirty and bringing a smile to a child’s face. Through TEACH I have discovered a venue whereby I can utilize my passion for science and love of fun to enhance the lives of hundreds of children and families!
Rachel L. Finkel
Hi! I’m Rachel. I am a sophomore at New York College of Medicine. I joined TEACH after attending our first pilot session and being completely inspired by the strength and charm of the children we work with.
Chana Ratner
Hey! After attending my first TEACH module I was immediately fascinated and have been part of TEACH ever since. In my free time you can find me playing piano, ice skating or reading. Chana was the proud recipient of a grant from The Jewish Foundation for Education of Women which had facilitated a TEACH summer internship experience.
Vivian Alestra
Child Life Specialist
Hi! I am Vivian Alestra, a Child Life Specialist for Staten Island University Hospital –Northwell Health. I began this position in the fall of 2001 and since then I have enjoyed helping hospitalized children. children. Prior to this position I was an elementary school teacher for over 10 years. I also worked as a teacher trainer for both Day Care and Head start programs.I help children acclimate and cope with the challenges of illness, treatments and formal examinations and procedures. As part of the healthcare team. I also provide informative guidance, and support to patients and parents facing new diagnosis as well as planning and setting up special entertainment visitors to the Pediatric Unit. I attended New York University for my baccalaureate degree and then Brooklyn College for my graduate degree. I am the proud mother of an adult daughter who is a 5th grade teacher. We reside in Staten Island, New York.

Executive Staff

Isaac Snyder
Executive Director
I’m Isaac, I am a first year medical student at Philadelphia College of Osteopathic Medicine, hailing from Staten Island. When I am not studying for medical school, cooking, reading and research are my passions; well, besides TEACH, of course!
David Mamet
Module Manager
Hi! I’m David from Livingston, New Jersey. I’m in my second year at Yeshiva College studying Biology on the Pre-Med track. In addition to participating in TEACH, I enjoy reading, running, and hiking.
Rebecca Burack
Module Manager
Hi! I’m Rebecca Burack and I’m from Staten Island, New York. I’m in my third year at Stern College and I’m studying Biology. In my spare time I enjoy hanging out with friends, baking, and watching a funny movie.

General Staff

Lea Lefkowitz
Module Manager
Hi! My name is Lea Lefkowitz and I’m from Highland Park, NJ. I’m a senior at Stern College for Women where I’m majoring in biology. When I’m not studying, I can be found hanging out with friends, baking, or catching up on Netflix.
Liam Eliach
Module Manager
Hi! I’m Liam from Woodmere New York. I am currently in my second year of the biology pre-dental program. My Hobbies include: Traveling, learning new things and hanging out with friends.
Tamar Schwartz
Volunteer Coordinator
Hi! I’m Tamar from Teaneck, New Jersey. I am studying Biology and Sociology in the Honors Program at Stern College for Women. I love to cook, spend time with friends and family, and learn new things.
Dasi Korn
Director of Marketing
Hi! I’m Dasi and I’m from Staten Island. I am a marketing major in my third year at Sy Syms School of Business. In my spare time I love to bake, go out with friends, and exercise.
Ariella Ciment
Website Design Intern
Hi! I’m Ariella Ciment from Englewood, NJ. I am a sophomore at Stern College majoring in Computer Science. In my free time I love to exercise, hang out with friends, cook and learn new things!
Gavi Pomerance
Module Manager
Hi! I’m Gavi Pomerance and I’m from Los Angeles, California. I am currently in my first year at Yeshiva University. I love to hang out with my family, and both follow and play sports
Rebecca Lax
Director of Educational Programming
Hi! I’m Rebecca, I’m from Toronto, Canada. Currently, I’m in Stern College studying Biology. When I’m not hitting the books I enjoy singing, baking, and hanging out with my friends and family!
Jared Silverberg
TEACH Michigan President
Hi! I’m Jared and I’m from Melville, New York. I am currently a senior studying Neuroscience at the University of Michigan. It has been such a pleasure to expand TEACH and oversee the operations across the State of Michigan. Besides being committed to TEACH, I enjoy cooking, traveling, and watching Michigan sports! Go Blue!!
Lior Levy
Graphic Design Manager
Hi, I’m Lior and I am from Toronto, Canada. Currently I am a senior, majoring in biology at Yeshiva University. In my free time I love to play ice hockey, explore new places and spend time with my family and friends.
Avigail Goldberger
Graphic Design Manager
Hi! I’m Avigail from Bergenfield, New Jersey. I’m now in my junior year on the Pre-Med track, studying Biology in Stern College’s honors program. Outside of my love for science, I enjoy reading, writing, being with friends and family, and learning new things. I’m so excited to be a part of TEACH’s mission!