Montgomery County Engineer Paul Gruner

Mission of the Engineer’s Office

The mission of the Montgomery County Engineer’s Office is to maintain and improve a local roadway network which will provide for the safe and efficient movement of the traveling public and a healthy local economy.

Responsibilities of the Engineer’s Office

  • Maintenance of 320 miles of county roads and 541 bridges. This responsibility includes the repair, replacement and improvement of the roads and bridges on County Roads including snow and ice control during the winter months. It also includes repair and replacement of bridges on Township Roads and certain bridges within municipalities.
  • Reviews and approves new survey descriptions and plats.
  • Acts as engineer for the townships within Montgomery County.


Paul Gruner is a native Daytonian and grew up in Kettering, graduating from Fairmont West High School. His grandfather, Paul R. Gruner, owned and operated the Greater Dayton Gazette, the German newspaper in Dayton, from 1914 to 1947. His father, Herbert Gruner, was an engineer at Delco Products for 42 years.

Paul and his wife Kathi live in Miami Township and attend Faith Lutheran Church in Belmont. Kathi is a Longaberger Sales Consultant and has been an active community volunteer, including Girl Scouts and TWIGS. They have two grown children, Melissa Lavender, who is an archaeologist with Gray & Pape, Inc. in Cincinnati, and William Gruner, who is a micro-biologist with the Henry M. Jackson Foundation for the Advancement of Military Medicine at Wright-Patterson Air Force Base. Paul is active in local activities including as a Board Member at We Care Arts.

Paul is a registered Professional Engineer and Professional Surveyor and has a Bachelor of Science in Civil Engineering degree and a Master of Science degree from the University of Cincinnati. He worked in the Montgomery County Engineer’s Office for 6 years before working in consulting engineering for 30 years at Woolpert, Inc. and Gresham, Smith and Partners. He returned to the Montgomery County Engineer’s Office in February of 2010 as Chief Deputy Engineer and was appointed County Engineer in July of 2011 following the retirement of Joseph Litvin.