The foundation shall consist of no less than nine and no more than twelve directors of legal age. Each director shall be appointed for three consecutive years on a staggered basis. One board director shall be recommended by each of the following: Ankeny Soccer Club, Ankeny Junior Football, Ankeny Little League, Ankeny Girls Softball Association, and City of Ankeny Park Board. All appointments shall be made by the Mayor of the City, subject to approval of the City Council.