N.H. Rev. Stat. Ann. § 21-P:5-b

The commissioner of safety shall nominate a chief of policy and planning for appointment by the governor, with the consent of the council. The chief of policy and planning shall serve at the pleasure of the commissioner and shall be qualified to hold that position by reason of education and experience and shall perform such duties as are assigned. Notwithstanding RSA 100-A:3 or any other law to the contrary, membership in the retirement system shall be optional. If the incumbent opts to become a member of the retirement system, the incumbent may enroll as a group II member if he or she was a group II member or was receiving a group II retirement allowance prior to appointment.