Senior Leadership

Gabe Most is the chief experience officer (CXO) of JCC Association of North America, guiding the agency’s work to enhance the quality and value of agency relationships within the JCC Movement. Prior to joining JCC Association in 2020, Most had significant tenures at American Associates, Ben-Gurion University; Jewish Federations of North America; Young Judaea; and … Continued

Sue Gelsey, the chief program and talent officer at JCC Association of North America since 2019, oversees the growth and development of JCC Association’s signature programs and talent portfolio, including professional development, Sheva Center, JCC Maccabi®, JResponse®, Center for Israel Engagement, and JWB Jewish Chaplains Council®. Most of her career has focused on Jewish communal … Continued

Brian Schreiber, a longtime Jewish communal professional, is president and CEO of the JCC of Greater Pittsburgh and special advisor to the president and CEO of JCC Association of North America. He is a Leadership Pittsburgh XVII graduate and winner of Pittsburgh’s Leonard and Doris Rudolph Jewish Communal Professional Award and the Blaustein Award in … Continued

Jennifer Mamlet joined JCC Association of North America as chief development officer in 2018 and is responsible for all aspects of the organization’s fundraising initiatives, including developing major donor relationships and implementing cultivation, solicitation, and stewardship strategies. Mamlet is a former executive director of the JCC of Central New Jersey in Scotch Plains, New Jersey, … Continued

Sam Cohen is a vice president for program and talent at JCC Association of North America and leads JCC Maccabi®, a signature program of JCC Association, and Virtual J, an online platform that offers JCC Movement live-streamed and on-demand content. Previously, Cohen was the associate executive director and director, respectively, of the 2013 and 2018 … Continued

Vanessa Waye, the chief of staff (CoS) of JCC Association of North America since 2017, manages administrative functions that promote optimal performance of JCC Association’s executive office and the New York facility. Previously, Waye developed technical, operational, and administrative tool sets as a computer consultant and trainer before joining the Jewish communal world. As director … Continued

Responsible for giving overall professional leadership to JCC Association and the JCC Movement by working with the chair, officers, and board of JCC Association, along with presidents and executives of local JCCs. Represents JCC Association and JCCs to key organizations in the North American Jewish community, along with major foundations and donors. Also works directly … Continued

Joanne Harmon is the chief marketing officer (CMO) at JCC Association of North America. She joined the marketing team as creative director in 2014, bringing a broad range of talents that contributed significantly to the organization’s first rebranding effort in more than a decade. In her expanding role, Harmon has guided the organization to rebuild … Continued

Mark Horowitz, a senior vice president for program and talent at JCC Association of North America, supports the working groups for the Sheva Center, Inclusion, Engaging Families, Mandel Center for Jewish Engagement, and Discover CATCH+. He spent most of his career in early childhood Jewish education, and he was the founding executive director of the … Continued

Leads the various program departments of JCC Association and coordinates their efforts to serve JCCs and their communities. Works with board and staff  to determine and implement service strategies that provide JCCs the most up to date resources available.