| Clue | Source | Date |
|---|---|---|
| Chief exec - slang (4,6) | ||
| *Top dog | LA Times Daily | 23 Oct 2023 |
| Top banana | USA Today | 30 Apr 2022 |
| Big cheese | USA Today | 23 Oct 2019 |
| Company bigwig | USA Today | 09 Apr 2019 |
| *Big boss | LA Times Daily | 09 Jan 2019 |
| *Big boss | The Washington Post | 09 Jan 2019 |
| *Big boss | ||
| Company bigwig | ||
| Big cheese | ||
| The boss's boss | Eugene Sheffer | 13 Oct 2018 |
| Person in charge | Newsday | 09 Sep 2018 |
| Big cheese | New York Times | 19 Mar 2017 |
| Big cheese | ||
| Top dog | New York Times | 06 Jun 2016 |
| Top dog | ||
| Top dog | ||
| *Numero uno | ||
| The big cheese | ||
| Top banana | ||
| Top banana | ||
| Boss of bosses | ||
| Top boss | ||
| Big cheese | ||
| Boss of the lettuce growers? | ||
| Hard-driving leader | ||
| Big boss | ||
| Big boss | ||
| See 18-Across | ||
| Boss of bosses |