| Company | Timeline | Status | |
| BHP Billiton (UK) Limited Director • Principal, Corporate Finance | 8 Nov 2019←1 Year 11 Months→4 Oct 2021 | Active | |
| BHP Billiton (UK) DDS Limited Director • Unreported | 12 Jul 2019←6 Years→Current | Active | |
S M Costello Limited Director • Treasury Consultant | 30 Nov 2017←1 Year 11 Months→8 Nov 2019 | Dissolved | |
