[2] The governor has a duty to enforce state laws,[3] and the power to either approve or veto bills passed by the Maine Legislature,[4] to convene the legislature at any time,[5] and, except in cases of impeachment, to grant pardons.
The shortest-serving governors were Nathaniel M. Haskell and Richard H. Vose, who each served only one day.
John W. Dana also served for one day in 1844, after the incumbent governor resigned, but was later elected to the governorship.
The current governor is Democrat Janet Mills, who took office on January 2, 2019.
[12] Prior to an amendment in 1964, the president of the senate only acted as governor.