Board of Directors

George Goldenberg, President

George, an emigre to the Bay Area from Moscow, holds a Masters in Management Science and Engineering from Stanford University and was formerly a VP of Engineering at Yahoo!. He is currently EVP of Platform and Products at CaaStle, where he created a platform that powers the majority of apparel rental services in the US. George serves on the boards at Meira Academy, The Shalem School, and is a proud parent of two SPHDS students.

Leo Lazar, Vice President

Leo is currently the Associate Publisher of 70 Faces Media, the largest digital publisher of Jewish content in North America (JTA / The New York Jewish WeekMy Jewish Learning / Kveller / The Nosher / Alma).  A DC native with French roots, Leo graduated from Princeton with a degree in Public Policy in 2005. His early career was in financial management at General Electric, NBC Universal and Bridgewater Associates. Leo moved to the South Bay area in November 2018 with his wife Becky, who joined Google as International Tax Counsel.

Jason Bayer, Treasurer

Jason was born and raised in Los Angeles and moved to the Bay Area where he received degrees in Economics and Electrical Engineering/Computer Science from UC Berkeley. He and his wife Catherine have three kids, two of whom are in the Early Childhood program at SPHDS (Benjamin and Mira). Jason was a software engineer at Google and has worked across the company for the past 16 years. Today, Jason is a manager at Facebook.

Aliza Coleman, Director

Aliza Coleman was born in Jerusalem, Israel and raised in Palo Alto, CA. She is a proud alumni of SPHDS and an even prouder parent of two SPHDS students. Aliza currently serves her community as a teacher of Jewish subjects across the Torah spectrum at Meira Academy. She holds a Bachelor's degree in Psychology and a Master's degree in Educational Leadership from Bellevue University.

Linor Eylon, Director

Linor Eylon is passionate about Jewish day school education and has devoted over 25 years to working with and supporting Jewish children. For a decade, Linor proudly taught in and directed the SPHDS Preschool program. She then served multiple terms on the Board of Directors of SPHDS and has chaired many events for SPHDS and Kehillah Jewish High School (Palo Alto). Linor holds a Bachelor of Science in Child and Family Development (Summa Cum Laude) and was the recipient of the prestigious Grinspoon-Steinhardt Award which honors outstanding Jewish educators throughout North America. Linor along with her husband, Eyran, have lived in the Bay Area for the past 21 years. Linor and Eyran are the proud parents of 3 children who are all alumni of SPHDS and Kehillah Jewish High School.

Itamar Frankenthal, Director

As an Israeli who has lived in Monsey, Manhattan, Boston, Dallas, Long Island and San Jose, Itamar Frankenthal and his family bring to the SPHDS a broad Jewish and cultural perspective that compliments the diversity of our parent body. Itamar is an electrical engineer, entrepreneur, teacher, and CEO. Itamar is the owner and CEO of Rose Batteries and its subsidiary Energy Sales, Silicon Valley’s leader in custom batteries for mission-critical applications. Itamar also teaches Torah classes at Am Echad and is a professor of battery technologies at San Jose State University. Itamar studied at Yeshiva Shaarei Torah, Yeshivat Kerem B’Yavneh, and Yeshivas Rabbeinu Yitzchak Elchananand (RIETS) . Itamar also studied at Yeshiva University, holds a BS in Electrical Engineering from the City University of New York and an MBA from Harvard Businesses School. Itamar is the proud parent of three SPHDS students and enjoys cycling, hiking and photography.

Jonathan Gershater, Director

Jonathan grew up in South Africa where he attended King David Jewish Day School from preschool to 12th grade. He moved to California in 1991. He graduated with a BS in computer science and has lived in Palo Alto since 2001. He is married to Adele who was a past-treasurer of SPHDS. Their son and daughter attended SPHDS from pre-school to middle school. Jonathan was a past-treasurer of Congregation Emek Beracha in Palo Alto where he has also volunteered in various roles.

Naama Hammel, Director

Naama and her family joined the SPHDS community five years ago. She is married to David and is the proud mother of Yaara (SPHDS alum, 10th grader at JCHS), Roei (7th grade), and Tamir (4th grade). Born in Boston and raised in Israel, Naama is an ophthalmologist by training and is currently a Clinical Research Scientist at Google Health developing machine learning models for the detection of diseases from medical images. She completed her medical and ophthalmology training at Tel-Aviv University; her glaucoma fellowship at the Shiley Eye Institute, UC San Diego; and her ophthalmic informatics fellowship at the UC Davis Eye Center.

Stephen Kloder, Director

Stephen Kloder grew up in Atlanta, GA and has been living in Silicon Valley since 2013. After studying Computer Science at Georgia Tech and University of Illinois, he worked at various tech companies: fulfillment center software at Amazon, document understanding at Microsoft,  co-founding AttorneyFee (now part of LegalZoom), and experiment platforms for Google.  He currently builds machine learning models for payment systems at Square. In his previous homes, he was involved with chesed efforts at Champaign Urbana Jewish Federation, and the Executive Council of the Capitol Hill Minyan in Seattle.

Noam Levanon, Director

Noam was born and raised in Israel, where he graduated with Law and accounting degrees. He and his wife, Lital,  relocated to the bay area and are proud parents of 2 Sphds students. Noam works at Veev, a Technology-enabled homebuilding company, as a business analyst and an associate at J-ventures, an early-stage VC fund.


Dr. Maly Oron-Benhamou, Director

Maly was born, raised, and attended medical school in Israel. After graduation, Maly relocated to New York City for her residency and fellowship training with her husband, Ori (an SPHDS alum!). While in New York both their sons, Jonathan and Eithan, were born. The family moved to the Bay Area and joined the SPHDS community almost two years ago. Maly is currently working as a Pulmonary and Critical Care doctor for the Palo Alto Medical Foundation.

Assaf Resnick, Director

Assaf Resnick is the CEO and co-founder of BigPanda.  Prior to founding BigPanda, Assaf was an investor at Sequoia Capital, where he focused on early and growth stage investing in software, internet and mobile verticals.  Assaf Holds a B.S. degree in Business Administration from the Haas School of Business at UC Berkeley. He lives in Northern California with his wife and three children.

Daniel Sharabi, Director 

Daniel is a Bay Area native, r
aised on the Peninsula. His connection to Judaism was inspired by his father, an immigrant from Israel, who ran the Sephardic minyan at their local synagogue for decades. As the Co-founder and CEO of Livable, a successful technology company focused on the environment, Daniel is dedicated to making the world a better place. His extensive philanthropic efforts include serving as the vice president of Pathways for Kids and on advisory and event committees at Birthright, the Contemporary Jewish Museum, the American Jewish Committee and more. He moved to the South Bay with his family in 2019, where his wife, Sophie, runs hospitality at her family's winery.

Oded Shekel, Director

Oded and his wife, Hagit, joined the SPHDS community six years ago. They are the proud parents of Yael (serves in the IDF), Yuval (high-school senior), Yaron (8th grader) and Yishai (4th grader). Oded was born and raised in Israel and moved to The US in 2001. He has a Computer Science degree and has worked as an Executive Product Manager for multiple software companies ranging from small startups to large enterprises. 

Sarah Sleeter Magzimof, Director

Sarah is an SPHDS alumna with a Bachelors in Economics from Columbia University who relocated back to the Bay Area from Israel with her family six years ago. She began her career working in Finance at Bloomberg London and transitioned to Fin-tech after moving to Israel. Upon relocating to California, Sarah took a position at Yahoo and currently works for Apple. Her three children attend SPHDS. She is passionate about Jewish education and imbuing a strong identity and love for Israel into our children.



Dr. Martin Klughaupt
Mr. Eliot Klugman (z"l)
Mr. Martin Snitow
Mr. Lee Gavens
Ms. Yvonne Boxerman
Mr. Martin Handwerker
Dr. Stanley Sussman
Dr. Ronald Joelson (z"l)
Ms. Lorri Lewis
Mr. David LeVine
Mr. Jonathan Novich
Mr. Barry Berkowitz
Mr. Robert Solomon
Ms. Marcia Lepler
Mr. Lee Gavens
Ms. Sheri Robbins
Mrs. Yonit Shemtob
Mr. Gershon Goldenberg
Ms. Miriam Solomon
Mr. Abraham Poznanski
Mr. Morey Schapira
Mr. Avi Kopelman
Mr. David Mendel
Dr. Saul Weingarden
Mr. Jim Roberts
Mr. Yoram Rubin
Ms. Sherry Solden
Mrs. Nissa Johanix