Kesher Staff

Simcha Greenspan - K/1st Grade Teacher
Shalom. My name is Simcha Greenspan, this is my first year at Kesher and I will be teaching K/1. I have been a Jewish educator in various synagogues in the Bay Area for several years. I am originally from Los Angeles and now live in San Francisco. I have a background and M.A. in the arts and education. During the week I teach visual arts to adults and continuing high school students in SSF. I am very excited and honored to be with the young children. They show such curiosity and are open to discover and express their Jewish spirits! In my free time, I like doing calligraphy of Hebrew and early English alphabets. I enjoy creating mixed media paintings with watercolor, pen & ink, collage or found objects. I am a great aunt with a 8 year old niece and 5 year nephew, who melt my heart. I feel blessed to be given patience and wisdom to teach here and I look forward to meeting everyone and all families.
Daria Avida - K/1st Grade Madricha
Hi, my name is Daria Avida and this year will be my 3rd year teaching at PSC on Sunday’s. I am a junior at Carlmont High School. I am a Wornick Jewish Day School alumna. My parents are from Israel and I grew up speaking both English and Hebrew at home. I also enjoy visiting my family in Israel every year. I swim on a competitive swim team year round, and I enjoy singing in my school choir. Looking forward to learning with Kesher!
Terrah Yevilov - 2nd Grade Teacher
Terrah is excited to be Teaching 2nd grade at Kesher. She is also excited about the being the FRUSY Youth Advisor. She graduated from Menlo College in 2015, and the DeLet program of Hebrew Union College of Los Angeles in 2016. She has been working as a teacher in a Jewish Day School for the last 2 years. Her main goal is creating a space where students can explore Judaism and find a personal connection to their past, present and future identity. She looks forward to building relationships with each student so that she can encourage them to be the best that they can be!
Rina Shapira - 3rd/4th Grade Teacher
My name is Rina Irene Shapira. I was born in Danzig (which today is in Poland). When I was 4 years old my family and I fled the Nazi’s and settled in Tel Aviv, Israel. After high school I studied fashion design and Hebrew calligraphy. I then served for two years in the Israeli Army. When I completed my army service I began to work with a large Israeli retail company. It was there that I met my husband, Chen. We married and had two sons while we were living in Israel. When my son, Doron, was 1 year old we moved our family to the Bay Area. Shortly thereafter I had a daughter. My husband and I worked as managers and brought many famous Israeli singers to perform in the U.S. Sadly, I lost my husband about 18 years ago. In the past I taught for many years at a Jewish day school and at various synagogues around the Bay Area. I have been a teacher at Peninsula Sinai Congregation for 17 years for both children and adults.  I also do private Hebrew tutoring in our community. I have 10 grandchildren whom I adore a great deal. I am very happy as a Ima and Savta.
Leah Kalish - 3rd/4th Grade Madricha
My name is Leah Kalish and I am the Madricha in the 3rd/4th grade Kesher class on Sundays. This is my fifth year working at PSC and it has been a pleasure to give back to the program that I grew up in. I am currently a senior at San Mateo High School and when I am not working with the children at Kesher, I teach ballet to children at the Tutu School in Redwood City. I have a passion for Judaism and education, and look forward to sharing my passion with the students of Kesher!
Aryeh Fein - 5th Grade Teacher
Aryeh was born in Los Angeles, raised in Orange County, and graduated from Cal Poly San Luis Obispo – majoring in Political Science and Psychology. He then competed the DeLet program at Hebrew Union College of Los Angeles, and moved to the Bay Area shortly after. Aryeh worked as a student-teacher in Fourth Grade, before formally teaching in Kindergarten and First Grade at the Wornick Jewish Day School of Foster City.

Aryeh grew up attending Camp Alonim, an overnight Jewish summer camp in Simi Valley, California. There he served as a counselor, a member of music staff, and as a CIT Advisor – mentoring 50+ teenagers in an 8-week extensive leadership training program. 

Aryeh enjoys playing and watching sports. Unfortunately he is a fan of the Angels, Lakers, and “Mighty” Ducks, but does has a soft-spot in his heart for the Giants, Warriors, 49ers, and Sharks.
Aryeh is very excited to start working with the Fifth Grade class at Kesher!
Riva Jacobs - 6th Grade Teacher (Sundays)
Riva Jacobs has been a Jewish educator for many years, most of them in the Bay Area. She has taught in many local day schools and religious schools, as well as private Bar/Bat Mitzvah instruction. Riva enjoys teaching and learning from her students in all areas of Judaic Studies. In addition to Kesher, she is currently teaching at Wornick Jewish Day School in Foster City, at Congregation Beth Jacob in Redwood City, as well as doing private tutoring. Whenever she has a moment of free time, Riva enjoys reading historical fiction and mysteries, and Israeli folk dancing. Riva looks forward to learning with her 6th grade students on Sundays!
Rachel Shalev - 6th Grade Teacher (Wednesdays)
Rachel Shalev was born and raised in Israel. She has an extensive experience educating, teaching Hebrew, and Judaic studies. She has written education programs for various institutions including the Jewish Agency, Bnei Brit, Gesher, and others. She first became a Hebrew teacher during her service for the Israeli Defense Force, where she also received her Hebrew teaching certificate.

Rachel worked at Berliz, the world’s premier language learning and training provider, where she was responsible for children’s education, and teachers training for working with kids. In the United States, Rachel taught at a high-school yeshiva in San Diego, and wrote their Education Board certified programs.

Rachel holds a Bachelor Degree in Art from the Hebrew University in Jerusalem, and an MBA from the University of Derby.

Rachel lives in Foster City with her husband and two boys. She enjoys her work with kids and parents of toddlers. She also spends time in arts, focusing on figurative sculpting. In her spare time, she likes doing yoga, cooking vegetarian dishes, and traveling with her family.
Lilah Rosenbaum - Madricha
Hi! My name is Lilah Rosenbaum. I'm a Junior at CSM Middle College and this will be my third year working in the Greenberg Religious School, newly Hebrew named: Kesher! I work on Sundays and Wednesdays as part of the Kesher team, and when I'm not at PSC I'm part of the Diller Teen Fellowship and on the board of my BBYO Chapter, Chai. I love learning and Judaism and look forward to seeing everyone at Kesher this year!