Complex sentence: He served as mayor of the suburban community of Saint-Leonard from 1981 to 1984 and was also chair of the "Commission scolaire Jérôme-Le Royer" from 1980 to 1983.
Split into simpler sentences: He served as mayor of the suburban community of Saint-Leonard from 1981 to 1984. He was also chair of the "Commission scolaire Jérôme-Le Royer" from 1980 to 1983.