Clergy and Staff




Our Rabbi

Rabbi Corey Helfand received his rabbinic ordination in May 2011 from The Jewish Theological Seminary of America along with a Masters in Talmud and Jewish Law and a certificate in pastoral care. As a Gladstein Fellow in Entrepreneurial Rabbinics, Rabbi Helfand served as the rabbinic intern at the Conservative Synagogue Adath Israel in Riverdale under the mentorship of Rabbi Barry Dov Katz and as the rabbi of Beth Shalom of Lake Norman in Davidson, North Carolina. Rabbi Helfand graduated from Washington University in St. Louis with a BA in Jewish and Islamic Studies and in Political Science. He completed two 400-hour units of Clinical Pastoral Education, one at the Zicklin Hospice Center through the Center for Pastoral Education at JTS and one unit at Bellevue Hospital. He served as the rabbinic intern for the Masorti Community in Kiryat Bialik outside Haifa under the mentorship of Rabbi Mauricio Balter. Rabbi Helfand is married to Jenny Ackerman, who completed her MPH at Hadassah Hospital in Jerusalem and her MSW at Hunter College. Rabbi Helfand and Jenny are proud parents of Eden, Matan, and Jonah.



Our Cantor

Doron Shapira was born in Tel Aviv, Israel and raised in San Francisco. He has been involved as a singer and percussionist in Jewish music since 1968. This is his 41st year working in all facets of Jewish education in the Bay Area. He has been Cantor at Peninsula Sinai Congregation since 1994. Doron also served as the Peninsula Sinai Congregation Ritual Director 5771 (2010-2011) and will once again fill that role through the culmination of our search for a new Rabbi. He looks forward to the privilege of serving PSC members’ pastoral and life-cycle needs as well as developing PSC’s programming, education, Jewish music, and ruach (spirit), for both adults and children throughout the year! Cantor Doron and his wife Jocelyn have three children—sons Elijah & Eitan and daughter Yael.



Our Director of Youth Education and Programming

Alex Weisz hails from Southern California, and has spent much of the last decade as a Jewish educator and youth professional in both Los Angeles and Las Vegas. He is passionate about Jewish living and learning, from the loftiest realms of Jewish mysticism to the most mundane aspects of Jewish life. Alex is a fourth-year Rabbinical student at the Academy for Jewish Religion California, heavily influenced by the neo-Hasidism of Rabbis Abraham Joshua Heschel and Arthur Green. In his free time, Alex produces content for Shamayim: Jewish Animal Advocacy and is a member of the Jewish Educators Assembly, Truah: the Rabbinic Call for Human Rights and the J-Street Rabbinic Cabinet. Alex lives in San Mateo with his wife Emma, their daughter, Chavah Neshama, and their two puppies, Winky & Zelda.



Our Office Manager

Cat Bernard has lived in Foster City for more than a decade and comes to us with over twenty years of experience in facilities and operations management as well as IT development and support. She is excited to return to a smaller office management environment with multiple roles and a community to serve. Cat and her husband Steve spend most of their free time watching their daughters play soccer. They often travel to the east coast to visit extended family. Fun Fact: There is always a 1,000 piece puzzle in progress at her house and she has over 50 puzzles that she lends out to others.



Our Rabbi Emeritus

Rabbi Marvin Goodman was ordained by the Jewish Theological Seminary of America in 1975. He studied at the seminary after having earned his BA from Indiana University in 1970. From 1975-1988 he was the Executive Director of the Northern California Region of the United Synagogue of Conservative Judaism, as well as the Regional United Synagogue Youth Director. From 1988-2007, he was the Rabbi of Peninsula Sinai Congregation. Upon his retirement as Peninsula Sinai Congregation’s Rabbi, he became Peninsula Sinai Congregation’s Rabbi Emeritus. From 2007 through 2017, he served as the Executive Director of the Northern CA Board of Rabbis and the Rabbi-in-Residence of the San Francisco Jewish Community Federation.  Since retiring in 2017, he has become actively involved in a variety of social justice volunteer efforts. His current involvement includes being on the Steering Committee of CA Interfaith Power & Light, an organization whose work is centered on climate change issues. Additionally, he is a San Mateo/San Francisco County Master Gardener. As a Master Gardener he is working with a team that is focused on encouraging home gardeners to grow extra vegetables in their gardens and donate to local food pantries so that more people have access to fresh produce. Rabbi Goodman and his wife Debbie Kelman have two daughters–Naomi and Rena. Rena is married to Jonathan Mizrahi and they have a son, Ayden.