Career history of Don A. Hayes
Former positions of Don A. Hayes
| Companies | Position | Start | End |
|---|---|---|---|
| UNIT CORPORATION | Comptroller/Controller/Auditor | 1985-12-31 | 2020-12-30 |
Training of Don A. Hayes
| Oklahoma State University | Graduate Degree |
Statistics
International
| United States | 3 |
Operational
| Comptroller/Controller/Auditor | 1 |
| Graduate Degree | 1 |
| Undergraduate Degree | 1 |
Sectoral
| Utilities | 2 |
| Consumer Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| UNIT CORPORATION | Utilities |
- Stock Market
- Insiders
- Don A. Hayes
- Experience
