Board of Directors

Community Member

Briana Balaban (Hausner ‘07) grew up in and currently lives in Los Gatos. Since graduating from the University of Wisconsin, she has grown her career at Gap Inc. She currently oversees Digital Marketing (Personalization and Growth) for Athleta. She is excited to help grow the Jewish community in the Bay Area and ensure that the Jewish experience that she had growing up is available to others. Briana has been a wonderful contributor to the Development Committee this year, with a specific focus on increasing alumni engagement.

Parent Member

Tova Birnbaum is a faculty member at the Mandel Institute for Nonprofit Leadership and a Rabbinic Ordination student at the Shalom Hartman Institute. She was the Director of Jewish Life at the Oshman Family JCC in Palo Alto and a Senior Jewish Education Specialist at the JCC Association. Tova was born in B'nai B'rak, Israel, in an Ultra-Orthodox home, and was one of the founders of the BINA Secular Yeshiva in Tel Aviv, where she was a faculty member. She also served as the Central Shlicha (emissary), Director of the North America Region of the World Zionist Organization. Tova is a Judaic studies teacher, Theater Midrash workshop facilitator, and a Secular Jewish Life Cycle ceremonies officiant. She serves on the Birthright Israel International Education Committee. Tova holds a bachelor's degree in Psychology and Jewish Philosophy from the Hebrew University of Jerusalem, and a master's degree in Theater from Tel Aviv University. Tova and her husband live in Palo Alto, California, and are proud parents of two daughters.

Community Member

Lorraine’s career has been in marketing and education. Early in her career, she worked in brand management at the Clorox Company. Later, she worked at Castilleja School in Palo Alto, first in Admissions, then as Director of Communications and Community Relations - serving on the school’s Leadership Team. Currently, she works for the Stanford MBA  program as a seasonal admission reader.

Lorraine has been active on many youth-focused non-profit boards, including the Riekes Center, Palo Alto Junior Museum and Zoo, Palo Alto Babe Ruth, and Challenge Success. She now volunteers with Pursuit of  Excellence, supporting first-gen college students.

She grew up in Palo Alto and is a long-time member of Congregation Beth Am. She and her husband Joel met at the Harvard Business School and have two adult children, a daughter-in-law, and one grandson. For pleasure, Lorraine loves to hike, play pickleball, read, play mahjong, and travel.

Parent Member
Secretary, Executive Committee 

Luanne Dauber is a retired executive with twenty years of experience in marketing, product management and marketing, and leadership. She served as VP of Marketing at Pure Storage, CMO at Confluent and Senior Director of Product Marketing and Product Planning at Altera. She holds a BS in Business Administration from San Jose State University.

Luanne is the mother of two Hausner students, Daphne and Drake. Luanne has generously shared her marketing expertise this year with Hausner through her service on the Marketing Task Force.
 

Community Member

Craig Factor has over twenty years of experience as General Counsel at both public and private tech companies in a wide range of industries, including software, artificial intelligence, and semiconductors. Originally from New York, he received his undergraduate degree from Harvard University and his law degree from the Duke University School of Law. Craig is married to Annie Goldstein, who is a Licensed Marriage and Family Therapist in Los Altos and an Adjunct Lecturer at Santa Clara University. Craig’s daughter and son both loved Hausner, which they attended from kindergarten through 8th Grade. Craig’s other interests include hiking, pickleball, and photography.

Community Member
Member-at-Large, Executive Committee

For more than two decades, Jennifer has been a teacher and tutor at Eastside College Preparatory School in East Palo Alto. While almost all Eastside students are first-generation in their families to attend college, over 99% of Eastside's graduates have been accepted to four-year colleges and universities. 

Jennifer has twin boys who graduated from Hausner in 2021, and are now students at Stanford. Before joining the Board, Jennifer served on the Hausner Development Committee and was an active volunteer in the Hausner community, from organizing the school Hanukkah party to co-chairing the Hausner Book Fair.  Jennifer's family are members of Kol Emeth. They enjoy travel, hiking, and visiting family in Vermont, where Jennifer grew up.
 
Prior to joining Eastside, Jennifer was a Fulbright Scholar at the University of Natal in Durban, South Africa, where her research focused on modern Zulu praise poetry, Izibongo. She graduated from Yale University with a double major in Literature and African Studies and taught Art to students in New Haven, CT as part of the LEAP program.

Parent Member
President, Executive Committee

Boris is a founder of TurnKey, a service that helps investors and their companies build out their own product teams outside of the US. Prior to TurnKey, Boris was the co-founder and CTO of Tonic Health (sold to R1 NASDAQ:RCM), a patient intake management platform used by the leading health systems in the US and tens of millions of patients annually. 

Prior to Tonic, Boris founded ClyTel, a tech-enabled platform to assist in planning around customer management and retention; Boris also served as the CEO of Sibyl Vision, a full service IT consulting company. 

Boris holds a BA degree in Computer Science from Brandeis University and MFA degree from California College of the Arts. Boris has served on the finance and development committees in 2020-21 and has volunteered with JFCS San Francisco over the past twelve years.  

Parent Member

A longtime tech entrepreneur and two time CEO with expertise in marketing and strategy, Will is currently a stay-at-home dad, dedicating himself to his family’s well being. Despite his busy schedule, he finds time to advise a few startups and volunteer extensively at his kids’ schools. At a prior school, he ran a 25 volunteer organization chartered with community engagement and staff appreciation that organized over 50 events per year. At Hausner, Will has served on the Development and Enrollment committees in addition to being a room parent. In the spring, he assists his wife in running the school's track program. 

Will is a Bay Area local, becoming Bar Mitzvah at Congregation Beth Am and attending high school at the Menlo School. He went on to study Mathematics and Economics at Pomona College and to earn his MBA from the UC Berkeley.

Parent Member
Member-at-Large, Executive Committee

Daniel is an experienced attorney and dedicated volunteer with a passion for supporting both community and corporate growth. As a commercial attorney at Google, Daniel has advised many of the company’s most strategic cloud partnerships. Prior to joining Google, Daniel was the second attorney hired at Everbridge, where he served as lead commercial counsel as Everbridge went public in 2016.

In addition to his professional experience, Daniel has served on the Board of Directors at Congregation Emek Beracha, including as President from 2020 to 2023. In this role, Daniel was responsible for overseeing the congregation’s strategic direction, financial planning, and community initiatives, fostering an environment of growth and engagement as the community navigated and emerged from the Covid lockdown. Daniel also attends Chabad Palo Alto with his family.

Daniel and his wife Jamie have two children enrolled at Hausner, and one at the JCC preschool. He is committed to contributing to the continued success of Hausner by bringing thoughtful guidance and a collaborative approach to the board.

Parent Member
Treasurer, Executive Committee

Roni is a finance executive with over 20 years of experience. Roni was at Intel Corporation for 20 years, serving across a wide variety of finance roles  including technology development, strategy, sales and marketing, M&A,  venture capital and corporate. Roni is currently at Zoox, an autonomous vehicle company, as Head of Finance, Accounting and Treasury.

Roni was born in Cape Town, South Africa, grew up in Palo Alto, Bar Mitzvah’d at Kol Emeth and was active in local Jewish groups as a high  schooler at Gunn, including serving as President of the Palo Alto USY chapter. Roni attended UCLA as Pre-Med and while attending Hebrew University through a junior year abroad program met his wife, Rinat. Roni made Aliyah to Israel soon after and gained his MBA at the Hebrew University in Jerusalem.

Roni and Rinat have three children: Ariel, Talya, and Liam. Ariel and Talya are Hausner graduates, and Liam is currently in 8th grade — marking the family’s 21st consecutive year at Hausner.

Parent Member
Immediate Past President, Executive Committee

Isaac Kontorovsky is a Principal at BKF Engineers, a leading civil engineering, land surveying, and land planning firm delivering “inspired infrastructure” projects since 1915 throughout California. As a member of the executive leadership group at BKF, Isaac has been involved in some of the most iconic and challenging private and public developments in the region including academic, hospitality, mixed-use residential, and commercial projects. Recently, he was directly involved in the firm’s strategic plan, leading one of the committees generating initiatives for growth, diversity, and expansion. As a strong advocate of sustainable and environmentally responsible design, you will often find Isaac at nearby university campuses as a speaker on the topic of Innovation and Sustainability. You might also find him at Hausner speaking and engaging the much younger generation about creative building practices.

Upon relocating from Venezuela where he obtained is B.S. in Civil Engineering, and since putting down roots in Silicon Valley, Isaac has been an active member of the community. He currently serves as chair of Hausner’s Risk Management Committee. Isaac lives in Palo Alto with his wife Miliarist and their two daughters, Miri and Meirav, current students at Hausner.

Community Member

Michal’s background combines business development, education, and social initiatives.

For over 15 years, Michal held business development roles in both private and government venture funds. Most recently, she served as Director of Business Development for Glilot Capital in the U.S.

In recent years, Michal has shifted her focus to working with children and seniors. She is currently an independent group facilitator for seniors and a teacher at the OFJCC.

Michal has volunteered with various organizations, including leading a weekly group for Holocaust survivors at JFCS.

Michal holds a Bachelor's degree in Social Work from Tel Aviv University and a Certificate in Aging from Johns Hopkins University.

Michal lives in the San Francisco Bay Area with her husband and their three children, all of whom attended Hausner from Kindergarten through 8th grade.

Community Member

Reina Mizuno Rampell was born and raised in Nagoya, Japan and moved to the US in the late 90's. She and her husband Alex have been living in the bay area since 2004, and they have 2 sons, both at Harker School in San Jose. Before becoming a full-time stay at home mom, she worked as a consultant at Accenture in Tokyo, as well as in enterprise sales at eBay and PayPal. Although she never converted to Judaism, Reina is very passionate about Jewish causes and community. She has served on the Oshman Family JCC board of directors for 6 years, serving on their ECE committee (as the chair for a few years) as well as the Major Gift committee. 
 
Reina is an avid tennis player and ballroom dancer. She loves to cook, eat, and sing. She received a BS in int'l relations from Georgetown University and MBA from Harvard Business School.

Parent Member
Vice President, Executive Committee 

Harris is a co-founder at Jojo Health, which utilizes AI and robotics to enhance the detection of strokes and MCI (mild cognitive impairment) in seniors. Previously, he was a co-founder at Qbit, a vocal sentiment cloud platform that helped brands measure customer experiences using AI-powered voice feedback. Before Qbit, Harris served as EVP of Engineering and EVP of Product at Neat, an expense management software company. Harris earned a BSE in Electrical Engineering and an MS in Integrated Product Design from the University of Pennsylvania, where he also served as President of the Penn Engineering Alumni Society Board. Inspired by O'Reilly's Make Magazine, when Harris lived in Philadelphia, he founded MakePhilly, which the magazine dubbed its “First Maker Chapter in the World". MakePhilly grew to over 700 engineers, designers, and artists who came together monthly to exchange ideas, learn, and build together. He resurrected the format at Hausner (“Hausner Makers”) to inspire the next generation of creators. Harris and his wife, Jenn, have two children, Isaac and Eva, attending Hausner. He is greatly appreciative of the warm and spirited community and is honored to have an opportunity to give back by serving on the Board of Directors and as the recent Chair of the Advancement Committee.

Parent Member

Rachael Rosenberg, PhD, is a seasoned psychologist dedicated to her private practice in Los Altos. With over a decade of experience, she has served as a trusted psychologist within Bay Area schools and community mental health agencies since 2009.

Beyond her professional commitments, Rachael has played integral roles  within the community. Here at Hausner, she has contributed her expertise to the Development and Enrollment committees, while also serving as a  valued member of the Parent Kesher Board. At the Oshman Family JCC,  Rachael is actively engaged in the Early Childhood Education Committee  and the Parent Community Association for the Leslie Family Preschool.

Rachael and her husband David are proud, loving parents to Hausner students Makiah Rose and Noa.  

Parent Member

Tina Rosenblum, PhD, is a founder and partner at Oak & Willow Group, a Silicon Valley consulting firm that helps organizations define and communicate their organization’s story. With over 25 years of experience, she has advised leaders on strategy, team dynamics, and organizational growth across industries, from local non-profits to Fortune 100 companies.

Beyond her professional work, Tina has a long history of service on non-profit boards, including Congregation Beth Am, the Jewish Silicon Valley (formerly the Federation of Silicon Valley), and J Leaders. She is passionate about strengthening Jewish leadership and community engagement.

Tina and her husband, Jay, live in Palo Alto with their son, Matthew, a Hausner student, and their dog, Benji. As a family, they enjoy rousing games of fetch, playing baseball, and traveling. She is honored to contribute to the Hausner community and support its mission.

Community Member

Parent Member

Nicole Singer brings 30 years of varied professional experience in the technology industry. Nicole is currently serving as Lattice Semiconductor’s Chief People Officer. She is responsible for all aspects of the company’s human resources strategy, talent acquisition and management, and employee experience. Prior to Lattice, Nicole held executive human resources leadership roles at SiFive, Synaptics and Xilinx. Prior to joining Xilinx, she served in various technology sales and customer implementation roles at management consulting and software companies such as Accenture, Deloitte Consulting, and PeopleSoft. Her expertise spans HR strategy, operations, and execution, in addition to her technical background in business applications.

Nicole holds a Master's in Business Administration (MBA) and a Master of Science in Management Information Systems (MSMIS) from Questrom School of Business, Boston University, and a Bachelor of Arts in Sociology, with a minor in Business and Psychology from The George Washington University.

Nicole has always been passionate about children and recently finished serving her term on the Board of Directors of the Reading Partners Silicon Valley Chapter, a national education non-profit organization focused on improving literacy skills for elementary-aged children. At the Oshman Family JCC, Nicole always volunteered to be a room parent and held the position of PCA President for 2 years, and still remains engaged in the Early Childhood Education Committee. Here at Hausner, she has embraced being part of our community and has been actively involved in the Engagement and Enrollment Committee, helping to bring more wonderful families to our school and community, and has contributed her expertise to the Risk Management Committee. 

Nicole is originally from New York, and currently lives in Menlo Park with her son Spencer, a Hausner student, and her pride and joy.  

Community Member 

Christine Tachner is a Bay Area native and a former writer and advertising copy editor. She is the mother of three high school students, Alli, Sam, and Avra, who all attended Hausner. Christine has been an indefatigable volunteer leader within the Hausner community, lending her creativity and event planning talent to our Annual fundraiser and heading Parent Kesher. She previously served on the board of Congregation B'nai Emunah in San Francisco. 

Christine and her husband Adam live in Palo Alto and are members of both Kol Emeth in Palo Alto and Congregation Beth Jacob in Redwood City.

Community Member

Emily Waldorf is an independent art advisor and appraiser based in the San Francisco Bay Area. With a background in academic art history and experience at major auction houses and blue-chip galleries, she provides thoughtful guidance to collectors navigating the modern and contemporary art landscape. Her areas of specialization include painting, works on paper, photographs, and prints and multiples. Emily holds an MA with Distinction in Fine and Decorative Art & Design from Sotheby’s Institute of Art in London and an MA in French from Middlebury College.

Emily brings over a decade of nonprofit board leadership, with particular strengths in development strategy, governance, and community engagement. She served on the Hausner board from 2017 to 2022, including roles as Secretary and Chair of both the Development and Nominating Committees. She is a past Co-President of the Ambassadors for Lucile Packard Children’s Hospital Stanford and a former trustee of Scripps College.

Emily and her husband Greg have three children, all alumni of Hausner, and two Bernese Mountain dogs.