Breglio has served as chair of the Theatre Development Fund and has sat on the boards of the American Foundation for AIDS Research, the Alliance for the Arts, the John Golden Fund, and Young Playwrights. He has also lectured frequently for the National Law Journal Seminars, the Practicing Law Institute, and at Yale University and Columbia University School of the Arts, where he has taught a graduate course on theater and the law. In 2005, he received the Actors’ Fund Medal of Honor, and he has been recognized for his contributions to the theatrical community by Joseph Papp’s Public Theater, the National Corporate Theatre Fund, and Cherry Lane Theatre.