Executive Management

Chief Financial and Operations Officer
Ron Aloni

Chief Legal Officer and General Counsel
Sheryl Zeligson

Senior Staff

Director of Education and Advocacy Division
Naomi Brunnlehrman

Director of Organization Division
Lindy Ettin

Division Director of Marketing and Communications
Eleanor Goldhar

Associate Division Director, Director of Marketing & Special Projects
Sheryl Hoffman

Interim Director of Engagement Division
Maureen Mandel

Chief Human Resources Officer
Bart R. Minksy

Chief Development Officer
Joshua W. Rednik, CFP


Ron Aloni

Chief Financial and Operations Officer

Ron Aloni is Hadassah’s Chief Financial and Operations Officer responsible for all financial and operational aspects of the organization. 

Prior to Hadassah, Ron served as Chief Financial Officer for the Friends of the Israeli Defense Forces (FIDF), and previously was Vice President for Finance and Controller for Pace University. As a Senior Manager at KPMG and later at Ernst & Young, Ron specialized in the firm’s non-profit market sector. 

A CPA in both the US and Israel, Ron received his BA in Accounting and Psychology from the University of Tel Aviv and his MBA in Strategic Management from the Lubin School of Business at Pace University. He is a member of the American Institute of Certified Public Accountants (AICPA) Not-For-Profit Expert Panel and the New York State Society of CPAs Non-For-Profit Committee. 

Prior to his professional career, Ron served three years in the Israeli army intelligence forces. 

Recently, Ron played a key role in the organization’s efforts to address the business disruption caused by the spread of COVID-19 around the world and in the United States. Such efforts included steps to increase liquidity and reduce the organization’s operating budget, ensuring effective remote operations and replacing in person activities with digital ones. Ron also led the implementation of a new model for an organization-wide operations department with unified supervision for better donor and member customer service and better management of transactions.

Sheryl Zeligson

Chief Legal Officer and General CounseL

Sheryl Zeligson has been with Hadassah since 1992. Prior to Hadassah, Zeligson served as an associate at the law firms of Fulbright and Jaworski, LLP and Kelley Drye & Warren, LLP. She graduated from Barnard College, Columbia University with a BA in political science. Sheryl was awarded a JD degree from Fordham University School of Law. She is a member of the New York and New Jersey State Bars, Southern and Eastern Districts of New York and the District of New Jersey. Sheryl has also served as an adjunct Professor of Law at Cardozo School of Law. 

Sheryl is proud to be a key member of the Hadassah team and, along with the Legal Department, is dedicated to advising Hadassah and its related entities on a wide range of legal issues.

Naomi Brunnlehrman

Director of Education and Advocacy Division

Naomi Brunnlehrman is the Director of the Education and Advocacy Division. From passing the Never Again Education Act, to challenging attitudes in our reConceiving Infertility initiative, connecting new audiences to Hadassah’s Zionism via The Branch podcast and much more, the Hadassah Education and Advocacy Division is educating and mobilizing Zionists and health advocates across the country. Naomi came to Hadassah seven years ago with over 30 years of experience as an advocate, and a strong business background in operations and non-profits. She has an MA from the Graduate School of The Jewish Theological Seminary of America and is a trilingual interpreter.

Lindy Ettin

Director of Organization Division

Lindy Ettin is the Director of the Organization Division. She has worked in Jewish non-profit for over 15 years and specializes in Organizational Development and Strategic Planning for Hadassah. Within the Organization Division, Lindy has directed the staff support teams within the eight Geographic Areas to focus on how to maximize staff resources, share best business practices and enhance the services provided to our donors, members and volunteers nationwide.

Lindy volunteers for numerous organizations, including the Jewish Federation of Orange County, JCC Maccabi Games and Planned Parenthood. Lindy graduated from the University of Vermont with a BA in English and holds an MBA from Baruch College, Zicklin School of Business in New York City.

Eleanor Goldhar

Division Director of Marketing and Communications

Eleanor Goldhar joined Hadassah on July 1, 2019 as Division Director, Marketing and Communications, to drive the evolution of a robust culture of philanthropy, and the expansion and enhancement of new member engagement. Eleanor’s portfolio includes strategic planning, development, sponsorship, and communications, branding and marketing in both non- and for-profit sectors. Eleanor previously held the positions of Deputy Director and Chief of Global Communications for the Solomon R. Guggenheim Foundation and Museums; Executive Officer of External Affairs at the 92nd Street Y (92Y); Vice President of Publicity & Corporate Relations at Livent Inc. (USA and Canada), a TONY Award-winning producer of Broadway and internationally touring theater productions.

Eleanor’s doctoral work at the University of Toronto focused on theater and dramatic literature. She is an accredited member of the International Association of Business Communicators (IABC), and a founding member of ArtsCom representing 60 cultural organizations in New York City.


Eleanor, in collaboration with the Marketing & Communications leadership team, is happy to have completed a new Marketing & Communications Division Strategic Plan to re-energize Hadassah’s top priorities and goal of creating a culture of Philanthropy.


Sheryl Hoffman

Director of Marketing and Special Projects

Sheryl Hoffman is the Director of Marketing and Special Projects. Sheryl's marketing experience spans 40 years in marketing agencies and corporate and non-profit organizations. Prior to joining Hadassah, Sheryl was the Director of External Affairs at Teachers College, Columbia University and the Executive Director of Marketing and Communications at Jewish National Fund. Sheryl is a past president of her synagogue and has also served on various boards and committees, including at the Jewish Theological Seminary in New York City. Sheryl graduated from Rutgers University with a BA in Communications.

In her additional role as director of special projects, Sheryl explores opportunities and produces events where Hadassah can reach and cultivate new audiences, elevating Hadassah to be one of the most influential women's and Zionist organizations in the country.

Bart R. Minksy

Chief Human Resources Officer

Bart R. Minksy is the Chief Human Resources Officer. He has over 30 years of Human Resources experience, including Chief Human Resources Officer and other senior HR leadership roles. Prior to joining Hadassah, Bart served as a Human Resources consultant to the healthcare industry and before that was Vice President of Human Resources at New York-Presbyterian Hospital. He graduated from the University at Albany with a BA in economics and from the New York Institute of Technology with an MS in labor and industrial relations. Bart holds Senior Human Resources certifications from the HR Certification Institute and the Society for Human Resources Management.

Through joint volunteer and staff collaborative processes, in 2019, three workgroups were formed to study volunteer and partnered leadership positions. Project goal is to ensure the appropriate volunteer/staff role definition and maximize skills and interests of each.

Joshua W. Rednik, CFP

Chief Development Officer

Joshua W. Rednik, CFP® is the Chief Development Officer. He has more than 20 years of experience in the nonprofit sector, managing organizations and developing and executing multi-million dollar fundraising campaigns. Prior to joining Hadassah, Josh served as President and CEO of the Diabetes Research Institute Foundation (DRIF), where he and his team raised over $60 million from foundations, corporations and individuals in support of DRIF’s mission to cure type 1 diabetes. Josh is a graduate of Washington University in St. Louis with a BA in Psychology and received his MSS in Social Service at Bryn Mawr College. He is a Certified Financial PlannerTM professional, having received an Executive Certificate in Financial Planning from Georgetown University.

In 2019, based on the Philanthropy Division’s strategic plan, Josh worked with the leadership team to successfully implement a greater focus on major donor cultivation, the donor experience and greater monitoring of our donor services operation.