There shall be a mayor, elected by and from the qualified voters of the city, who shall be the chief executive officer of the city. He shall hold office for the term of two years from the first Monday of January following his election, and until his successor is qualified.
Mass. Gen. Laws ch. 43, § 48
Mayor as chief executive officer; term of office
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.