Eric H. Rosenberger retired in October as president of the Board of Trustees, marking the end of his family’s seven decades of distinguished service to The Guild for Human Services.

Thomas P. Corcoran, the new president of the Board of Trustees, is struck that even now, more than five years after his son Conor graduated from The Guild School, staff members inquire about him.

“When I walk around The Guild, I still get asked, ‘Hey, how’s Conor doing? We really miss him.’ ”