| DE TAEYE, Thierry ACTIVE | Director | 08 Nov 2024 | | France | December 1964 | Tour Trinity, 1 Bis Place De La Défense, Courbevoie, 92400, France |
| DENYER, Michael RESIGNED | Secretary | 01 Aug 2008 | 05 Nov 2013 | | | Mersen Uk Portslade Ltd, South Street, Portslade, Brighton, BN41 2LX, Great Britain |
| HERRERO, Ivan RESIGNED | Secretary | 22 Dec 2015 | 13 May 2025 | | | Mersen, Boltby Way, Durham Lane Industrial Park, Eaglescliffe, Stockton-On-Tees, Cleveland, TS16 0RH, England |
| MACKAY, Gordon John RESIGNED | Secretary | 05 Nov 2013 | 22 Dec 2015 | | | Unit 12 Tungsten Building, George Street, Portslade, BN41 1RA, England |
| PRICE, Stephen Derek Alistair RESIGNED | Secretary | | 31 Jul 2008 | | | Cwm Yoy, Vines Cross Road, Horam, Sussex, TN21 0HF |
| BARRAU, Gerard RESIGNED | Director | 05 Jul 1999 | 30 Sep 2000 | | July 1935 | 165 Avenue De Wagram, Paris, 75017, FOREIGN, France |
| BODDAERT, Jacques Andre RESIGNED | Director | 01 Aug 2008 | 17 Jul 2023 | France | July 1961 | 24, Boulevard Henri Barbusse, Sartrouville, 78500, France |
| CHAUFFERT YVART, Patrick RESIGNED | Director | 12 Dec 2000 | 25 Jun 2008 | | December 1944 | 30 Avenue De La Grande Armee, Paris, 75017, FOREIGN, France |
| DENYER, Michael RESIGNED | Director | 06 Dec 2006 | 05 Nov 2013 | England | September 1953 | Flat 1, 9 Park Crescent, Worthing, West Sussex, BN11 4AH |
| FOURCAULT, Richard Herbert Ernest RESIGNED | Director | 26 Nov 1993 | 11 Apr 2002 | | September 1945 | 6 Rue D Artois, Paris, 75008, France |
| GALOPIN, Gerard Claude RESIGNED | Director | 11 Sep 1996 | 17 Nov 2006 | | July 1946 | 45 Rue Carnot, 92100 Boulogne, Billancourt, France |
| GRYLLS, William Joh Michael, Sir RESIGNED | Director | | 07 Feb 2001 | | February 1934 | Winterborne Zelston House, Blandford, Dorset, DT11 9EU |
| JACQUEMONT, Delphine RESIGNED | Director | 08 Nov 2024 | 23 Jul 2026 | France | April 1967 | Tour Trinity, 1 Bis Place De La Défense, Courbevoie, 92400, France |
| MAJOULET, Jean RESIGNED | Director | | 20 Nov 1992 | | July 1933 | Tour Manhattan, Paris, FOREIGN, France |
| MCLEOD, Hugh RESIGNED | Director | 05 Nov 2013 | 30 Apr 2014 | United Kingdom | March 1955 | South Street, Portslade, Sussex, BN41 2LX |
| PARKINSON, Cecil Edward, The Rt Hon The Lord RESIGNED | Director | 17 May 2001 | 18 May 2009 | England | September 1931 | The Old Vicarage, Northaw, Potters Bar, Hertfordshire, EN6 4NZ |
| POUND, Maurice Arthur RESIGNED | Director | | 01 Jun 1997 | | June 1932 | Squirrels, Woodmancote, Henfield, Sussex, BN5 |
| PRICE, Stephen Derek Alistair RESIGNED | Director | | 31 Jul 2008 | | August 1943 | Cwm Yoy, Vines Cross Road, Horam, Sussex, TN21 0HF |
| SAURFELT, Jacques RESIGNED | Director | 20 Nov 1992 | 26 Nov 1993 | | September 1934 | 79 Bis Rue Du, General Leclerc, Andresy 78570, French |
| SUQUET, Jean Claude RESIGNED | Director | | 07 May 2010 | France | August 1946 | Immeuble La Fayette, 2-3 Place Des Vosages, Paris La Defenses, FOREIGN, France |
| THEMELIN, Luc RESIGNED | Director | 06 Dec 2006 | 23 Jul 2026 | France | February 1961 | 44, Rue De Montcel, Auvers Sur Oise, 95430, France |