(1) The township superintendent shall hold office at the pleasure of the township board and shall be selected by the township board on the basis of training and ability alone, without regard to his or her political or religious preference.

  (2) An individual who is not a resident of the township at the time of his or her appointment as township superintendent shall become a resident of the township within 90 days after his or her appointment and shall so remain throughout his or her tenure of office. An individual who is a resident of the township at the time of his or her appointment as township superintendent shall remain a resident of the township throughout his or her tenure of office. The requirements of this subsection may be waived by a resolution adopted by a vote of 2/3 of the members of the township board elected or appointed.