Executive Management

CEO / Executive Director
Naomi Adler

Interim Co-CEO, Chief Financial and Operating Officer
Ron Aloni

Chief Development Officer
Judith Alperin

Interim Co-CEO, 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 Co-Director, Marketing
Sheryl Hoffman

Director of Engagement Division
Maureen Mandel

Chief Human Resources Officer
Bart R. Minsky

Division Co-Director, Communications
Sharon Scalora


Naomi Adler

CEO / Executive Director


Naomi Adler joined Hadassah with more than 18 years’ experience leading large nonprofit organizations. As President and CEO of the Jewish Federation of Greater Philadelphia, she led a team that served the sixth-largest Jewish population in the United States. Prior to her tenure at the Philadelphia Federation, she was President and CEO of two United Way organizations in New York State for a total of 13 years.

After graduating from Mount Holyoke College and SUNY Buffalo School of Law, Naomi worked first in private practice and then as Assistant District Attorney for Monroe County, New York. Her reputation as a successful prosecutor in cases of violence against women and children, and later as a community advocate for families living in poverty, earned her several honors.

Naomi has testified as an expert on charitable giving, antisemitism and global public health in local and national legislative forums, including the Ways and Means Committee of the United States Congress. She was recognized by President Obama for her efforts during Hurricane Sandy and by FEMA for her service to the community during Hurricanes Irene and Lee.

Ron Aloni

Chief Financial and Operating Officer, and Co-Interim CEO

Ron Aloni is Hadassah’s Chief Financial and Operating 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 Not-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.

Judith Alperin

Chief Development Officer

Judith Alperin is Hadassah’s Chief Development Officer leading the organization’s Philanthropy Division.

Her career has featured a variety of leadership roles with Jewish communal organizations. She served for seven years as CEO of the Jewish Federation of Greater New Haven and led the organization in rebuilding its facilities and programs after a devastating fire. During the pandemic Judith worked with local philanthropists to found Masks for Heroes and Masks for CT, which distributed over 1.5 million surgical masks to frontline workers, first responders and vulnerable populations.

Prior to her time in New Haven, Judith served as both the Assistant Executive Director and Director of Development of the Jewish Federation of the Lehigh Valley. In 2013 she was a member of the inaugural class of the JFNA Fundraising University and most recently was selected as a Mandel Institute for Nonprofit Leadership Fellow.

Sheryl Zeligson

Chief Legal Officer and General CounseL, and Co-Interim CEO

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.

Sheryl Hoffman

Division Co-Director, Marketing

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.

Maureen Mandel

DIRECTOR OF Engagement Division

Maureen Mandel is the director of the Engagement Division, Hadassah’s national division committed to fostering deeper connections between current members and the national organization, building a sense of national community, and expanding Hadassah's membership base via membership outreach programs and campaigns. Prior to her current role, she served as the division’s director of membership development.

She brings with her extensive experience working with member- and volunteer-based organizations. Prior to coming to Hadassah in March 2019, she served as director of programs for the Deep Foundations Institute, a 3,500-member international association of contractors, engineers, manufacturers, suppliers, academics; and as director of marketing and sales for the American Society of Mechanical Engineers. She was a marketing and membership consultant for several health-related organizations such as the Bone and Cancer Foundation and the U.S. Bone and Joint Initiative.

Maureen holds a bachelor of business administration in marketing from Hofstra University.

Bart R. Minsky

Chief Human Resources Officer

Bart R. Minsky 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.

Sharon Scalora

Division Co-Director, Communications

Sharon Scalora is an award-winning communications leader and strategist with over 15 years of experience leading organizational communications. Prior to joining Hadassah, she oversaw internal/organizational communications for nine years at RWJBarnabas Health, the largest academic healthcare system in New Jersey where she was also the inaugural chair of the system's Women's Leadership Alliance. Before that Sharon led internal communications at Atlantic Health, designing and executing communications plans and strategies for 12,000 employees and physicians at a three-hospital health system.

She has a BA in criminal justice from George Washington University and a MA in journalism from New York University. Her expertise in message development, brand communications and change management communications has garnered her local and national recognition, including a 2019 Telly Award, and awards from Press Ganey, Ragan Communications and Healthcare Planning and Marketing Society of New Jersey.