Senior Staff

Rabbi Jonathan Kupetz

rabbi_jonathan_kupetz.jpgRabbi Jonathan Kupetz, the youngest of four children, grew up in the west San Fernando Valley and graduated from Calabasas High School and U.C. Santa Cruz. He studied rabbinics and education at Hebrew Union college-Jewish Institute of Religion in Jerusalem, Los Angeles, and New York.

After ordination in 1999, Rabbi Kupetz became a member of the Stephan S. Wise Temples’s rabbinical staff where he helped to create and lead diverse opportunities for Jewish engagement. Rabbi Kupetz also served as the coordinator of a Los Angeles area 12-step recovery retreat co-sponsored by Jewsh Family Service of Los Angeles.He began his tenure as rabbi of Temple Beth Israel in Pomona on July 1st 2004. He enjoys the warm relationships he is developing with congregants and the many opportunities he has to teach about Jewish life.

Rabbi Kupetz is a strong advocate of Jewish residential summer camps and has sharply increased the participation of TBI youth in Jewish summer camping. He has a passion for Israel where he met Karen, his wife, when they were both studying there during their Junior year of college. They have three children: Sam, Eli, and Abby.

Hazzan (Cantor) Paul Buch

cantor_paul_buch.jpgHazzan (Cantor) Paul Buch has served Temple Beth Israel’s since 2003 and is a graduate and ordainee of the Academy for Jewish Religion/California in Los Angeles (

Cantor Buch leads music at religious services and life cycle events, teaches liturgy, scriptural chanting and music in our Beit Sefer (religious school) and mentors students preparing for Bar/Bat Mitzvah. He contributes musically throughout our congregation, and his soulful, energetic approach has been described as both “deeply spiritual” and “cheerleading for G-d.” He participates regularly in our Adult Jewish Learning program and currently leads our Intro to Judaism course.

Cantor Buch comes to the cantorate after a 25 year career in television and film production in Los Angeles, New York, and Portland, OR which he embarked on after his graduation from Boston University with a degree in journalism. A native of Buffalo, NY, Cantor Buch credits his parents, David and Drena (z”l) with inspiring a love for Judaism and especially Jewish music in him at a very young age.

Motivated by his own upbringing in a diverse religious community, Cantor Buch is deeply engaged with community interfaith activities. He is a past-President of the Claremont Interfaith Council and has served on the Faith-Based Roundtable of the Pomona Unified School District. He is also a past chairperson  of the  City of Claremont’s Human Relations Committee, a member of the Upland Interfaith Council and has servved on an advisory committee at the Claremont School of Theology.  He is the current Board Chair of the Rabbis and Cantors Retirement Plan and a national board member of the clergy organization OHALAH.

Cantor Buch is married to Lisa, an urban planner who is part of the management team for the Foothill Gold Line transit project. They have two sons; Sam, who attends high school in Claremont, and is a madrich (teaching aide) in our Beit Sefer, and Benjamin, who is a 7th grader who will become Bar Mitzvah in March 2020.

Toyasha Sebbag, Administrator

Temple Beth Israel is excited to welcome Toyasha Sebbag as our new Administrator. She assumed full responsibilities on July 1, 2020.  Toyasha, a TBI member for 10 years, comes to us with a Master of Public Administration in Public Finance from CSU Fullerton and many years of experience in city government. Most recently she was employed as the Water Administration Manager for the City of Lakewood and, prior to that, as a Management Analyst for the City of Indio. Her background in administration, finance, and community involvement made her a top choice for this important role.

As Temple Administrator, Toyasha is responsible for the management of TBI’s office, physical plant and grounds, and accounting operations. In addition, Toyasha is often the first point of contact for our members and the wider community when it comes to connecting with TBI. Toyasha can be contacted anytime through the TBI Office at 909-626-1277 or at

Deborah Pruitt, Preschool Director

preschool_deborah_pruitt.jpgFrom her Jewish beginnings at Temple Beth Israel in Chicago to adult participation at Temple Beth Israel in Pomona, Deborah Pruitt has been involved with the Jewish community. Deborah and her family have been members of Temple Beth Israel since they moved to the Pomona Valley in 1988. At that time, Deborah joined the staff of Temple Beth Israel Preschool and Daycare, where she has been the Director since 1989. She will soon celebrate 30 years in this position.

Deborah’s first involvement with young children began the year she lived and worked on a kibbutz in Israel. Her educational background includes a B.S. in Applied Behavioral Science and a M.A. in Human Development. Deborah has worked in the field of early childhood education as a teacher with young children, a Parent Education leader and a community college instructor. Deborah is always happy to speak with parents about their children, working together to provide a quality environment for their development. Deborah is aided by our School Administrative Assistant, Krista Ferrell.

Reyna Abraham, Director of Youth Education

Our Beit Sefer (religious school) under the direction of Reyna Abraham  Reyna had previously been a teacher in our religious school for two years and brings a wealth of experience to the position while she pursues degrees in education and Jewish Studies. She attended Cal Poly Pomona and also serves numerous clients as a professional writer for both print and online media. To contact Reyna, click here.  Reyna is aided by our School Administrative Assistant, Adrienne Silva.

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