MERCER COUNTY, OHIO - Key Persons


Brad Laffin

Job Titles:
  • Operations Manager

Dave Buschur


DAVID E. WOLTERS

Job Titles:
  • Mercer County Treasurer
Responsibilities of the Mercer County Treasurer's Office

Dusty Messner

Job Titles:
  • Highway Maintenance Superintendent

James A. Wiechart

Job Titles:
  • Mercer County Engineer
  • Mercer County Engineer Bio
  • Your County Engineer
Through the experience of having worked in 2 different County Engineer Offices for 29 years and being closely acquainted with all aspects of the activities, duties and responsibilities of that office Jim was more than qualified to be appointed to be the Mercer County Engineer in 2002. Jim was elected the Mercer County Engineer in 2004, 2008, 2012, 2016, and 2020. He currently serves Mercer County in that capacity. In 1993 Wiechart graduated from the University of Toledo's College of Engineering with a Bachelor's of Science Degree in Civil Engineering. The Monday immediately after the Saturday of graduation Wiechart began his professional career as Paulding County Bridge Engineer. Upon having received his Professional Engineer's License in 1997, Wiechart was appointed to the position of Paulding County Chief Deputy Engineer. In 1999 Wiechart was appointed to the position of Mercer County Assistant Engineer. Wiechart obtained licensure in Ohio as a Professional Surveyor in 2000. In all, he took 4-eight hour-long state board exams to achieve his goals of registration in Ohio as an Engineer and a Surveyor. On one of those 4 examinations he achieved the highest score in the state of Ohio. Wiechart's areas of work expertise involve: bridge, culvert, roadway and drainage design and drafting, bridge inspection, supervision of the survey and design technical staff, right-of-way acquisition and working intimately with a detailed knowledge and a long track record of utilizing local, state and federal grant programs for local roadway and bridge improvements. Wiechart is not a novice to large projects having designed and drafted plans and managed projects for numerous multi-million-dollar infrastructure grant and non-grant improvements related to local roadways. From the time Wiechart arrived in 1999, within the following 23 years, 204 bridge replacements and 25 bridge rehabilitation projects have been completed. Also within that same time period over $42 million in competitive federal and state grant funds have been garnered for Mercer County local road ways. Wiechart is a member of numerous trade, local and civic organizations: The National Association of County Engineers, Past President of the County Engineers Association and currently serves as Treasurer, and serves on the District 13 Ohio Public Works Committee Executive and Integrating Committees, and is Chairperson of those committees. Your County Engineer, James A. Wiechart, and his staff are responsible for the "construction, reconstruction, maintenance, and repair of all bridges and highways within his county that are under the jurisdiction of the board of county commissioners," according to the Ohio Revised Code (ORC), Section 5543.01.

Janell Weiss

Job Titles:
  • Tax Map Coordinator

Jerry Laffin


Julie Peel

Job Titles:
  • Recorder
Julie Peel is proud to be your Mercer County Recorder. In January 2023, she served as Acting Recorder before being appointed by the Republican Central Committee to finish out the remainder of Angie King's term. Julie has been working in the Recorder's Office since November 2013. She has enjoyed working and serving the public. Ms. Peel is very thankful and grateful to be given this opportunity to represent Mercer County. She has been married for 16 years to her high school sweetheart, Barry. They have four children that have kept them busy with volunteering for various activities and sporting events. Ms. Peel has lived in Mercer County all her life. She went to Wright State University-Lake Campus, graduating with an Associate's Degree in Graphic Design and Certificate in Office Administration.

Jury Duty

Prior to each part term, this court, with the use of automated data processing equipment, draws the names of 195 persons from the annual jury list, the first 45 of which serve as Grand Jurors, and the remaining 150 serve as Petit Jurors. There are three part terms, with the first beginning January 1 and ending April 30, the second beginning May 1 and ending August 31, and the last term beginning September 1 and ending December 31.

Karen Heinrichs

Job Titles:
  • Administrative Assistant

Laura Pease

Job Titles:
  • Administrative Assistant
The Mercer County Auditor's webpage has been moved! Please click the "Auditor Homepage" button above to be redirected.

MATTHEW K. FOX

Job Titles:
  • Judge, Mercer County Common Pleas Court

RANDY GRAPNER

Job Titles:
  • Mercer County Auditor

Rick Muhlenkamp