| Andrew Etter | Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec17 |
| Nathanael Jonhenry | Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec17 |
| Timothy J Cosgrove | Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec17 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec17 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec17 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec17 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec17 |
| Belinda M Jones | Franklin Soil and Water Conservation District | — | Sep-Dec17 |
| Beth Hansen | Governor's Office | — | Sep-Dec17 |
| Dawn Larzelere | Governor's Office | — | Sep-Dec17 |
| Michael Fraizer | Governor's Office | — | Sep-Dec17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | Sep-Dec17 |
| John E Murphy | Ohio Prosecuting Attorneys Association | — | Sep-Dec17 |
| Louis Tobin | Ohio Prosecuting Attorneys Association | — | Sep-Dec17 |
| Steve C. Hall | Ohio Prosecuting Attorneys Association | — | Sep-Dec17 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec17 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec17 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Sep-Dec17 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec17 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec17 |
| Holly Flanigan | Ohio Society of Professional Engineers | — | Sep-Dec17 |
| Andrew Huffman | Ohio Township Association | — | Sep-Dec17 |
| Brooke A Cheney | Ohio Township Association | — | Sep-Dec17 |
| Heidi M Fought | Ohio Township Association | — | Sep-Dec17 |
| Kelly C O'Reilly | Ohio Township Association | — | Sep-Dec17 |
| Matthew DeTemple | Ohio Township Association | — | Sep-Dec17 |
| Matthew S Whitehead | Ohio Township Association | — | Sep-Dec17 |
| Victor F Hipsley | Ohio Township Association | — | Sep-Dec17 |