| | Administration | Matt Cline | General Counsel/Administration Director | (404) 631-1499 |
| | Equal Employment Opportunity | Kimberly A. King | Administrator | (404) 631-1972 |
| | Human Resources | Monica Ivey | Director | (404) 631-1500 |
| | Human Resources: Employee Relations and Safety | Mike Johnson | Employee Relations and Safety Administrator | (404) 631-1500 |
| | Human Resources: Training & Development | Jeff Conrad | Training & Development Administrator | (404) 507-3400 |
| | Legal Services | Angela Jones | Deputy General Counsel | (404) 631-1499 |
| | General Support | Dawn Maddox | Administrator | (404) 631-1254 |
| | Chief Engineer | Meg Pirkle, P.E. | Chief Engineer | (404) 631-1004 |
| | Engineering Services | Lisa Myers | Administrator | (404) 631-1770 |
| | Organizational Performance Management | Angela Alexander | Administrator | (404) 631-1743 |
| | TIA | Kelvin Mullins | Administrator | (404) 631-1733 |
| | Commissioner | Russell McMurry, P.E. | Commissioner | (404) 631-1000 |
| | Commissioner's Office | Vacant | Senior Executive Asst. to the Commissioner | (404) 631-1000 |
| | Commissioner's Office | Joshua Waller | Director of Government and Legislative Relations | (404) 631-1007 |
| | Audits | Joshua Nix, CPA, CFE | Administrator | (404) 347-0321 |
| | Construction | Marc Mastronardi | Director | (404) 631-1970 |
| | Bidding Administration | Rich Williams | Administrator | (404) 631-1147 |
| | Construction Office | John Hancock | Construction Engineer | (404) 631-1971 |
| | Materials | Monica Flournoy | State Materials Engineer | (404) 608-4708 |
| | Deputy Commissioner | Mike Dover, P.E. | Deputy Commissioner | (404) 631-1021 |
| | Communications | Karlene Barron | Administrator | (404) 631-1931 |
| | Procurement | Treasury Young | Procurement Administrator | (404) 631-1435 |
| | Transportation Services Procurement | Curtis Scott | Transportation Services Procurement Manager | (404) 631-1426 |
| | Operational Procurement | Mary Zirock | Operational Procurement Manager | (404) 631-1218 |
| | Information Technology | Jeffrey Hill | Chief Information Officer | (404) 631-1590 |
| | Information Technology - Applications | Debbie Poss | I.T. Applications Administrator | (404) 631-1643 |
| | Information Technology - Infrastructure | Gary Blanton | I.T. Infrastructure Administrator | (404) 631-1634 |
| | Field Services | Vacant | Director | (404) 631-1002 |
| | Field Services: District 1 - Gainesville | Brent Cook, P.E. | District Engineer | (770) 532-5526 |
| | Field Services: District 2 - Tennille | Jimmy Smith | District Engineer | (478) 552-4601 |
| | Field Services: District 3 - Thomaston | Michael Presley | District Engineer | (706) 646-6900 |
| | Field Services: District 4 - Tifton | Chad Hartley | District Engineer | (229) 386-3280 |
| | Field Services: District 5 - Jesup | Brad Saxon | District Engineer | (912) 427-5711 |
| | Field Services: District 6 - Cartersville | DeWayne Comer | District Engineer | (770) 387-3602 |
| | Field Services: District 7 - Chamblee | Kathy Zahul | District Engineer | (770) 216-3811 |
| | Equipment Management | Jim Leben | Administrator | (770) 484-3201 |
| | Engineering | Hiral Patel, P.E | Director | (404) 631-1519 |
| | Bridge Design & Maintenance | Bill Duvall | Administrator | (404) 631-1985 |
| | Design Policy and Support | Brent Story, P.E. | Administrator | (404) 631-1978 |
| | Environmental Services | Eric Duff | Administrator | (404) 631-1101 |
| | Right-of-Way | Troy D. Byers | Administrator | (404) 347-0227 |
| | Roadway Design | Andy Casey, P.E. | Administrator | (404) 631-1977 |
| | Treasurer | Angela Whitworth | Treasurer | (404) 631-1290 |
| | Finance | Connie Steele | Director | (404) 347-0471 |
| | Budget Services | Selena Helms | Administrator | (404) 631-1329 |
| | Financial Management | Angela Robinson | Administrator | (404) 631-1291 |
| | General Accounting | Kirkley Renwick | Administrator | (404) 347-0313 |
| | Intermodal | Carol Comer | Director | (404) 347-0573 |
| | Intermodal Office | Nancy Cobb | Administrator | (404) 631-1242 |
| | Local Grants | Terry Gable | Administrator | (404) 347-0240 |
| | Program Control | Bobby Hilliard, P.E. | Administrator | (404) 631-1122 |
| | P3/Program Delivery | Genetha Rice-Singleton | Assistant Director | (404) 631-1522 |
| | Program Delivery | Albert Shelby | Administrator | (404) 631-1758 |
| | P3/ Program Delivery | Joe Carpenter | Director | 404-631-1928 |
| | Innovative Delivery | Darryl VanMeter, P.E. | State Innovative Delivery Engineer | 404-631-1703 |
| | Maintenance | Dale Brantley | Administrator | (404) 631-1387 |
| | Permits & Operations | John Hibbard | Director | (404) 631-1400 |
| | Traffic Operations | Andrew Heath | Administrator | (404) 635-2828 |
| | Transportation Data | Paul Tanner | Administrator | (404) 347-0701 |
| | Utilities | Lee Upkins | Administrator | (404) 631-1354 |
| | Planning | Jay Roberts | Director | (404) 631-1802 |
| | Planning Office | Cindy VanDyke | Administrator | (404) 631-1987 |
| | State Transportation Board | Elizabeth Osmon | Board Secretary | (404) 631-1990 |
