Michael ListonAge 75
Current Roles
 JTC PLC JTC | 146 | Board | Non-Executive Chairman of the Board | N/A | N/A | N/A |
| 336 | Board | Independent Non-Executive Director | N/A | N/A | N/A |
Former Roles
 HSBC HLDGS PLC HSBA | 1 | Corporate Officer/Principal | 2011-01-05 | N/A |
| 259 | Director/Board Member | 2015-12-31 | 2026-03-22 | |
| 259 | Director of Finance/CFO | 2016-10-16 | 2026-03-22 | |
| 109 | Independent Dir/Board Member | 2015-12-31 | 2025-06-11 | |
| 109 | Director/Board Member | 2015-12-31 | 2025-06-11 | |
 ENQUEST PLC ENQ | N/A | Human Resources Officer | 2018-11-30 | 2020-02-29 |
| 70 | President | 1990-12-31 | 2018-01-31 | |
| 70 | Founder | 1990-12-31 | 2018-01-31 | |
| 113 | Independent Dir/Board Member | 2013-09-30 | 2017-10-18 | |
| 113 | Director/Board Member | 2013-09-30 | 2017-10-18 | |
| 70 | Chairman | 2010-09-23 | 2012-02-22 | |
| N/A | Corporate Officer/Principal | 2009-04-29 | 2011-01-31 | |
 STHREE PLC STEM | N/A | Director of Finance/CFO | N/A | 2007-12-19 |
| 99 | Director/Board Member | 2000-11-30 | 2006-12-31 | |
| 93 | Corporate Officer/Principal | 1998-12-31 | 2005-10-18 |
