Chief Executive Officer
As Big Brothers Big Sisters of Long Island’s Chief Executive Officer, Mark Cox guides the agency’s vision and mission, leading nearly 100 employees including BBBSLI’s Mentoring Agency and the BBBSLI Donation Center. For over a decade, Mr. Cox has been an instrumental part of the agency’s leadership, first as Chief Development Officer followed by his current position of CEO.
Since becoming CEO in 2013, the agency has experienced consistent growth in staff size as well as the number of children served by BBBSLI’s mentoring programs. This growth has been achieved by increasing the number of Community Based matches as well as expanding the agency’s Site Based programs. Under his leadership, the agency currently has five High School Bigs Programs, three College Based Programs and two Workplace Programs.