| Hartmann, Diana | McHenry County Regional Superintendent of Schools | ROE | (815) 334-4475 | DKHartmann@mchenrycountyil.gov |
| Gattuso, Nicole | Director of GIS | Geographic Information System | (815) 334-4496 | gis@mchenrycountyil.gov |
| Adamson, Melissa H. | Public Health Administrator | Health Department | (815) 334-4510 | health@mchenrycountyil.gov |
| Wallen, Adam | Director of Planning & Development | Planning & Development | (815) 334-4568 | apwallen@mchenrycountyil.gov |
| Letendre, Adam M. | Director of Procurement and Special Services | Procurement and Special Services | (815) 334-4818 | purchasing@mchenrycountyil.gov |
| Hartman, Scott | Deputy County Administrator | County Administration | (815) 334-4924 | sehartman@mchenrycountyil.gov |
| Korpalski, Jr., P.E., Joseph R. | Director of Transportation/County Engineer | Division of Transportation | (815) 334-4964 | mcdot@mchenrycountyil.gov |
| Schulte, Theresa K. | McHenry County ETSB 911 Director | E911 | (815) 337-7911 | mcetsb@mchenrycountyil.gov |
| Annarella, Thomas | Nursing Home Administrator | Valley Hi Nursing Home | (815) 338-0312 | valleyhi@mchenrycountyil.gov |
| Tadelman, Robb | McHenry County Sheriff | Sheriff | (815) 338-2144 | sheriff@mchenrycountyil.gov |
| Rein, Michael | McHenry County Coroner | Coroner | (815) 338-2144 | mrrein@mchenrycountyil.gov |
| Christensen, David | EMA Director | Emergency Management | (815) 338-6400 | ema@mchenrycountyil.gov |
| Rizzi, Leonetta | Mental Health Board Executive Director | Mental Health Board | (815) 455-2828 | lrizzi@mc708.org |
