| Andrew Richard Carlisle | Director | 27 Jan 2022 | 28 Jan 2025 | British | 58 years |
| David Edwards | Director | 12 May 2025 | 23 Sept 2025 | Canadian | 35 years |
| David John Kenny | Director | 1 Oct 2022 | 1 Apr 2023 | Australian | 50 years |
| Diana Novella Chimienti | Director | 19 Jan 2024 | 28 Jan 2025 | Italian | 51 years |
| Fidel Lopez Soria | Director | 30 Sept 2014 | 24 May 2016 | Spanish | 59 years |
| Gonzalo Velasco Zabalza | Director | 24 May 2016 | 28 Jan 2022 | Spanish | 47 years |
| Gonzalo Velasco Zabalza | Director | 27 Jan 2022 | 31 Dec 2022 | Spanish | 47 years |
| Gordon Ian Winston Parsons | Director | 13 Feb 2023 | 28 Jan 2025 | British | 59 years |
| Ignacio Aitor Garcia Bilbao | Director | 30 Sept 2014 | 26 Mar 2020 | Spanish | 56 years |
| Ignacio Castejon Hernandez | Director | 26 Mar 2020 | 30 Sept 2022 | Spanish | 49 years |
| Ismael Ordonez Manjon | Director | 1 Apr 2023 | 7 Oct 2024 | Spanish | 42 years |
| James Christopher O'sullivan | Director | 23 Sept 2021 | 28 Jan 2025 | British | 67 years |
| John Kevin Bruen | Director | 30 Sept 2014 | 19 Dec 2022 | Irish | 54 years |
| Juan Carlos Bullon Aleman | Director | 30 Sept 2014 | 4 Dec 2019 | Spanish | 54 years |
| Juan Carlos Bullon Aleman | Director | 26 Mar 2020 | 30 Sept 2022 | Spanish | 54 years |
| Madhulika Saraf | Director | 13 Feb 2023 | 28 Jan 2025 | British | 40 years |
| Maria Cristina Casero Borges | Director | 2 Aug 2019 | 21 Sept 2023 | Spanish | 66 years |
| Martyn Booth | Director | 7 Nov 2014 | 23 Sept 2021 | British | 76 years |
| Miguel Rodera Onaderra | Director | 31 Dec 2022 | 28 Jan 2025 | Spanish | 45 years |
| Richard Abel | Director | 30 Sept 2014 | 8 Mar 2016 | British | 56 years |
| Shawn Michael Kinder | Director | 21 Sept 2023 | 28 Jan 2025 | American | 50 years |
| Simon Boyd Geere | Director | 30 Sept 2014 | 7 Nov 2014 | British | 58 years |
| Simon Boyd Geere | Director | 8 Mar 2016 | 31 Dec 2023 | British | 58 years |