Julie Vonderhaar - Administrator 

Mrs. Vonderhaar has worked at Fairfield Township since 2014. She can be reached at or by calling 513-203-4441.

McAuley High School, Xavier University, MBA from University of Cincinnati


Chuck Goins - Assistant Administrator 

Mr. Goins grew up in the City of Hamilton and graduated from Hamilton High School and from Miami University.  Chuck has worked in local government since 2013 and has been with Fairfield Township since 2017.  He currently serves as both the Zoning Administrator and the Assistant Township Administrator for Fairfield Township.  He is a board member of the Fairfield Township Community Improvement Incorporation Board (CIC), the Lane Library Board of Trustees, and the City of Fairfield/Fairfield Township Joint Economic Development District (JEDD) Board.  Chuck is married and has three very energetic children.  His family has been residents of Fairfield Township since 2017.  He enjoys being outdoors (camping, hiking, canoeing, etc.), vacationing with his family, and training Brazilian Ju-Jitsu. Chuck’s family is also the foster family for Fairfield South Elementary Facility Dog, Warren. Chuck can be reached at or by calling 513-785-2266.


Dianne French - Office Manager and Administrative Assistant to the Administrator

Mrs. French is a lifelong resident of Southwest Ohio, raised in Reading Ohio and graduated from Reading High School.  Dianne has held Executive, Administrative, and Corporate Retail Employment throughout her career. As a 40 plus year Butler County resident, Dianne and her husband have worked tirelessly in public service and ministries in Hamilton and Fairfield Township.  Dianne has worked for Fairfield Township since 2016 and been a resident of Fairfield Township for 33 years.  Dianne is married and raised both of her children in Fairfield Township.  In her spare time Dianne enjoys spending time with her 6 grandchildren. She can be reached at or by calling 513-785-2249.


Nick Armstrong - Zoning Inspector and Assistant to the Zoning Administrator

Mr. Armstrong is a graduate of Hamilton High School with a business degree from Miami University.  He is a 42 year resident of Butler County and has worked for Fairfield Township as the Zoning Inspector for since 2020. Before Fairfield Township he worked in retail investigations for 18 years. Nick is married with one child. He serves as a Volunteer Firefighter and a Musician mostly playing at his church, Crossroads. In his spare time Nick enjoys watching Notre Dame Football, The Cincinnati Bengals & Reds. He can be reached at narmstrong@fairfieldtwp or by calling 513-785-2293.