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Board of Trustee Officers

Liz Daoust, Co-President
Liz Daoust and her husband Mark have been members of Temple Sinai since 2014. All three of their daughters — Lucy, Annie and Phoebe — attended Temple Sinai Preschool and have continued on as religious school students. Liz served as President of the Preschool Parent Committee President from 2016-2017, where she spearheaded many community building events and fundraising efforts for the school. She has also served as a team captain for the Yesod Campaign and began studying for her bat mitzvah with Rabbi Mates-Muchin in 2016. Liz received her BA from Williams College and her Master's in Education Policy and Management from Harvard's Graduate School of Education. She is a former middle school teacher and dean, and has also worked in nonprofit management, fundraising and educational recruiting. She currently serves as the President of the Board of Trustees for the Orinda Union School District.

Rebecca McEntee, Co-President
Rebecca and her husband, Jack Chase, have been members of Temple Sinai since 2015, along with their children. Her two oldest children attended Temple Sinai David Pregerson Preschool and now continue to study in the religious school; their younger sister will hopefully join them in 2023. During her children's time at TSDPP, Rebecca served on the Preschool Parent Committee for 5 years, including most recently as the PPC President and Board of Trustees member for the 2019-2020 school year. Originally from the Chicago suburbs, she moved to San Francisco in 2005 to complete her medical training; and she and her family now live in Oakland. Rebecca is a family physician working in two federally qualified health centers in the East Bay, as well as continuing to participate in medical student and resident physician education and training.

Bill Bonnet, Vice President
Bill and his husband, Steve Garber, joined Temple Sinai in 2015, once Bill completed his conversion to Judaism. Bill is a regular attendee of Torah Study, is a member of the Caring Community, and has served on the Strategic Planning Committee since 2019. Bill is originally from Pennsylvania and has lived in Oakland since 2009. He has a Master’s degree in Industrial and Organizational Psychology and Counseling and works in the Education Technology sector.

Calvin Gibbs, Vice President 
Calvin has been a member of Temple Sinai since 2001, with his wife, Donna Gibbs, and their two children, Zoe and David. Both of his children attended Temple Sinai Religious School and became B' Mitzvah at Temple Sinai. Calvin served on Temple Sinai’s Diversity Committee from 2010 to 2012. He collaborated with committee members to deliver the “Faces of Sinai” photo collection, was a participant in the “Creating an Inclusive Jewish Community Initiative,” and led an additional collaborative effort with the interfaith organization Building Jewish Bridges. The program was successfully covered by JWeekly in its “Men Behaving Jewishly” article. Calvin is an IT Product Professional, specializing in the delivery of desktop and mobile product applications.

Lori Waltzer, Treasurer
Lori and her husband Josh have been Temple Sinai members since 2006. Their children, Jessica and Joseph, attended both Temple Sinai Preschool and Religious School, and became b'nei mitzvah together at Temple Sinai in 2019. Lori first began volunteering at Temple Sinai as the Treasurer of the Preschool Parent Committee in 2010. Lori has served for many years on the Finance Committee and has also been on several other committees over the years including the Cemetery Leadership Committee, Yesod Development Committee and Capital Needs Task Force. Lori is a native of San Diego and grew up at Temple Beth Israel, where she loved going to religious school, became a bat mitzvah and was also a Madrichim. By day, Lori is the Chief Financial Officer of the Prado Group, a local Bay Area real estate owner/developer.

Michelle van Tijen, Secretary
Michelle has been a Temple Sinai member since 1991. Michelle grew up at Temple Sinai and participated in Sinai Religious School, Bat Mitzvah, Midrasha, and Confirmation. She and her husband, Josh, now have two sons who attend the Sinai Preschool and Religious School. Michelle currently serves as the Preschool Parent Committee President, and has served as Vice President and Events Coordinator in past years. In 2008, Michelle and Josh helped start and manage a Jewish group focused on building community for unaffiliated young adults, called Next D'or, through the Sacramento Jewish Federation. Michelle is passionate about giving back to the community through volunteering in Oakland, most recently with the Alameda County Food Bank and the Northgate Tuffshed Community. Michelle is a Manager of Energy Efficiency Programs at PG&E and proud to do mission-driven work that helps people in their daily lives and combats climate change. 

Anne Schmitz, Parliamentarian
Anne and her family have been Temple Sinai members since 2001. Both of her children attended Temple Sinai Preschool and Religious School and became B' Mitzvah at Temple Sinai. Anne served on the Temple Sinai Board of Trustees both as an ex-officio Board member, in her capacity as President of the Preschool Parent Committee for two years from 2007 to 2009, and as an at-large Board member for four years from 2009 to 2012. She was a member of the Education Committee, a leader of the Re-Imagine Taskforce for the Religious School, a member of Temple Sinai’s Governance Taskforce, and one of the drafters of the 2016 amendments to Temple Sinai’s bylaws. She is currently the chair of Temple Sinai’s Personnel Committee. Anne is an attorney, and a Deputy Commissioner at the Worker’s Compensation Appeals Board.

Jon Braslaw, Immediate Past President 
Jon has been a Temple Sinai member since 2003, when he blended families with his wife, Robin Flagg, who has been a member since 1998. They have four kids. Jon has been a member of Sinai Green and has served as Treasurer and a Member of the Executive Committee before becoming president in November 2019. Jon is a senior manager with Recology, an environmental services company based in San Francisco.


Board of Trustee Members


Betsy Block

Stephanie Eckhaus
Stephanie and her wife, Colleen Sanford, have been members of Temple Sinai since 2006. Their two children, Rowen and Josh, became B’nei Mitzvah at Temple Sinai. Stephanie has been a member of the Education Committee for several years, and brings a passion for inclusivity to the community. Stephanie works as a Bereavement Coordinator at Kaiser Hayward Hospice. She is happiest hiking in the redwoods and gardening.

John Ehrlich
John has been a Temple Sinai member since 1996. He was born and raised in San Francisco achieving Bar Mitzvah at Temple Emanuel and attending Lowell High School. He went east to college, UC Berkeley, living in and becoming involved in the management of the student coops (BSC). His three children Erin, Sam and David attended Temple Sinai religious school, became b'nei mitzvah and were confirmed at Temple Sinai. After 32 years with the San Francisco Police Department he retired as a Captain. John has been on the Finance Committee for a number of years and is the Chair of the Safety and Security Committee. John has traveled to over 75 countries including a year backpacking through Africa in 1988-89. He currently serves on the Boards of two other charities, BALEAF and the BSC Alumni Association.

Shelley Horowitz

David Jackson

Elizabeth Moyle

Matt Orfuss

Susan Kagan Waitkus

Ari Levy

Kate Lucas

Sean Sawyer
Sean was born and raised in Winston Salem, North Carolina. He and his wife, Amy Leitner, have been members of the Temple Sinai community since September 2018. Sean works as a reading intervention specialist at Roosevelt Middle School, serving students in 6th, 7th and 8th grade. In his free time, Sean enjoys practicing accordion, keyboard, and acoustic guitar as well as taking walks around Lake Merritt and the many beautiful trails in the Bay Area. Sean can often be found attending Friday night Shabbat services and Saturday morning Torah Study. During First Friday services, you may find Sean helping lead services on his accordion

Aaron Saxe
Aaron and his wife Meredith have been members of Temple Sinai since 2015. Their two sons, Levi and Oliver, attended Temple Sinai David Pregerson Preschool and have continued at the religious school. Aaron grew up in the Bay Area and has been an active member in the Jewish community both professionally and personally. He currently serves as Senior Program Officer at the Jim Joseph Foundation, a private foundation whose mission is to foster compelling, effective Jewish learning experiences for young Jews.

Karen Tiedemann
Karen and her husband Geoff Piller have been members of Temple Sinai since 1995. Both of their children, David and Aaron attended Temple Sinai religious school, became B'nei Mitzvah at Temple Sinai and were confirmed at Temple Sinai. Karen served on the Education committee for many years including as chair of the committee and as an ex officio member of the Board of Trustees. Karen also served on the Re-imagine task force and on the adult education committee. Karen is an attorney in Oakland representing public agencies and affordable housing developers.



Natalie Crouch

Miryam Easton

Eva Fostovsky-Geckeler

Julia Fromson-Mayhew

Glenn Oleon

Dayna Orange, Religious School
Dayna and her husband Joshua have been members of Temple Sinai since 2014 when their son, Lev, began Temple Sinai Preschool. Dayna was an active member of the Parent Preschool Committee and participated in the Temple's Yesod fundraising campaign. Since Lev began religious school, Dayna has served on the Education Committee and recently accepted the Chair position this past school year. Dayna studied business and health care management at the University of Wisconsin-Madison and received her MBA while living in NYC. Dayna is the Director of Operations at a multi-disciplinary independent physician practice and enjoys spending quality time with her family playing sports, traveling and hiking with their dog.

Jill Saper

Thu, December 7 2023 24 Kislev 5784