Mass. Gen. Laws ch. 6E, § 2
(b) Other than as provided for in subsection (a), all commissioners shall be civilians and no commissioner shall have been previously employed as a law enforcement officer or be a retired law enforcement officer. The civilian commissioners shall have experience or expertise in law enforcement practice and training, criminal law, civil rights law, the criminal justice system, mental health, post-traumatic stress disorder, crisis intervention, de-escalation techniques or social science fields related to race or bias. The governor shall designate the chair of the commission. The commission shall include people of color and women, at least in such proportion as these groups exist in the commonwealth's population as periodically determined by the state secretary as the commonwealth's chief census officer. The members of the commission shall represent diverse geographic areas of the commonwealth, including urban, rural and suburban areas.
The commissioners shall take an oath to faithfully and impartially execute their duties as commissioners.
(d) Each commissioner shall serve for a term of 5 years or until a successor is appointed and shall be eligible for reappointment; provided, however, that no commissioner shall serve more than 10 years. The governor may remove a commissioner if the commissioner: