The town’s Department of Public Works director, Michael Rademacher, will speak at 6 p.m. Sunday during the Friends of Spy Pond Park’s annual meeting, where he will discuss his department’s role at the park. The public gathering will start at 5 p.m. with a potluck dinner in the Jefferson Cutter House, at 611 Massachusetts Ave. The Friends of Spy Pond Park also will elect new officers and set its goals for next year.