The City Administrator is appointed by the Board of Mayor and Aldermen to carry out the policies and programs approved by the Board of Mayor and Aldermen. The City Administrator also provides organizational leadership to all of the City’s departments and employees.
J. Carter Napier began his tenure as Spring Hill's City Administrator in August 2025. He received a Master of Public Administration from the Romney Institute of Public Management of the Marriott School of Management at Brigham Young University. Carter's first job in local government came in 1997 with the City of Longview, Washington as an intern to the City Manager. Following that experience, Carter began his service in Casper, Wyoming in 1998 as an analyst and then became an Assistant to the City Manager. In 2003, Carter was named City Administrator of Riverton, Wyoming. In April 2011, Carter was named City Administrator for Gillette, Wyoming. In June 2017, he was named City Manager for Casper, Wyoming.
Carter is a full member and certified City Manager through International City/County Management Association (I.C.M.A.).