The TEACH Team

Advisory Board

Yair Saperstein
Co-Founder and Director
Hi! I’m Yair, and I’m a first year 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 Board

Isaac Snyder
Executive Director
I’m Isaac, I am a senior in college hailing from Staten Island. I am a research assistant currently doing research in three laboratories as well as volunteering at Downstate hospital, where I lead the TEACH branch there. Cooking, reading and research are my passions; well, besides TEACH, of course!
Yael Steinberg
Director of Education and Programming
Hi! I’m Yael and I am from Queens, New York. I’m studying Biochemistry and Political Science in the Honors Program at Stern College for Women. I love reading, exploring new places, and hanging out with my friends.
Dovid Simpser
Director of Operations
Hey! I'm Dovid, hailing from Plainview, Long Island. I'm studying Business Intelligence and Management in the Sy Syms honors program. Some of my hobbies include reading – usually fiction, and running. I particularly enjoy meeting new people and taking on new challenges.
Amanda Rubin
Director of Business Development
Hi, I'm Amanda! I'm a native of New Jersey, but I made the trip over the bridge to study biology and art history at Stern College for Women, where I am currently a junior. In my free time, I can usually be found in a spinning class, curling up with a good book, or making a mess in the kitchen.

General Board

Aviva Cantor
Managing Editor
Hi! I'm Aviva, and I am senior at Stern College for Women. Although I am majoring in psychology and pursuing a career in medicine, I love writing, and I am excited to fuse my passions for science and English by serving as an editor for TEACH! Looking forward to a great year!
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.
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.
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.
Yoni Schwartz
Volunteer Coordinator
Hi, I’m Yoni and I am currently in my second year of Yeshiva University. I enjoy playing ping-pong, chess, and tennis. When I am not busy doing college work I love nothing more than helping other children have a great time.
Dalia Sieger
Volunteer Coordinator
Hi! I’m Dalia Sieger from sunny Los Angeles, CA. I’m a junior at Stern College studying biology in hopes to one day become a Physical Therapist. In my spare time, you’ll find me playing volleyball, editing videos, or doing gymnastics.
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 Winter
Grant Research Intern

Rebecca Winter is a Biology major at Stern College for Women. Her involvement in science has extended beyond the scope of the classroom as she has been a volunteer with TEACH since 2016. She has seen firsthand the impact that TEACH has made on the lives of children and hopes to further the cause within this leadership role.
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!!