| D'ABREO, Riordan ACTIVE | Secretary | 01 Jul 2020 | | | | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| BUCCHI, Gianluca ACTIVE | Director | 30 Jun 2026 | | Italy | May 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAGANO, Francesco ACTIVE | Director | 24 Mar 2022 | | United Kingdom | June 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| WATERLOW, Richard Philip ACTIVE | Director | 08 Dec 2020 | | United Kingdom | September 1973 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DAL BELLO, Francesca RESIGNED | Secretary | 29 Jun 2006 | 09 Nov 2017 | | | Eni House, 10 Ebury Bridge Road, London, England, SW1W 8PZ, England |
| O'BRIEN, Alan RESIGNED | Secretary | 09 Nov 2001 | 13 Aug 2002 | | | 21 Wethered Park, Marlow, Buckinghamshire, SL7 2BH |
| SMITH, Linda Gillian RESIGNED | Secretary | 08 Aug 2002 | 29 Jun 2006 | | | 11 Thellusson Way, Rickmansworth, Hertfordshire, WD3 8RB |
| TREZZA, Mila RESIGNED | Secretary | 09 Nov 2017 | 01 Jul 2020 | | | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| WALTERS, Sandra Gail RESIGNED | Secretary | 30 Apr 1999 | 09 Nov 2001 | | | 9 Danvers Way, Caterham, Surrey, CR3 5FJ |
| WEDGWOOD, John Arthur Thomas RESIGNED | Secretary | | 30 Apr 1999 | | | 32 Chantry Close, Bishops Stortford, Hertfordshire, CM23 2SN |
| BENTIVEGNA, Francesco Maria RESIGNED | Director | 01 Jul 2002 | 16 Jan 2014 | Kazakhstan | September 1948 | Flat 10, 1 Royal Avenue, London, SW3 4QD |
| BERTOLO, Filippo RESIGNED | Director | 25 Aug 2023 | 30 Jun 2026 | Italy | May 1983 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| BORAC, Srdjan RESIGNED | Director | 27 Nov 2019 | 20 May 2022 | Kazakhstan | November 1977 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DAVIDSON KELLY, Charles Norman RESIGNED | Director | | 22 Dec 1994 | United Kingdom | June 1945 | Little Boarhunt 73 Portsmouth Road, Liphook, Hampshire, GU30 7EE |
| FAGAN, Daragh Patrick Feltrim RESIGNED | Director | 13 Aug 2002 | 06 Jul 2007 | England | September 1969 | 17 Grena Road, Richmond, Surrey, TW9 1XU |
| FERLENGHI, Ernesto RESIGNED | Director | 20 May 2022 | 25 Aug 2023 | Italy | March 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| FERRARA, Gianluigi RESIGNED | Director | 13 Jun 2017 | 24 Mar 2022 | United Kingdom | September 1959 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| FINDLAY, Ian RESIGNED | Director | 01 Feb 1999 | 09 Jan 2001 | | April 1959 | 38 Great King Street, Edinburgh, EH3 6QH |
| GEORGE, James Gemmell RESIGNED | Director | | 01 Aug 2000 | | July 1947 | 8 Ruddlesway, Windsor, Berkshire, SL4 5SQ |
| GOLDING, Anthony Charles RESIGNED | Director | 15 Feb 1994 | 01 Feb 1999 | England | October 1952 | 25 Sollershott West, Letchworth, Hertfordshire, SG6 3PU |
| GRUGNI, Giovanni RESIGNED | Director | 21 Feb 2018 | 27 Nov 2019 | Italy | August 1969 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| IBRAHIMOVA, Nigar RESIGNED | Director | 10 Jul 2015 | 29 Mar 2017 | United Kingdom | April 1980 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| KEENAN, Nicholas Mark RESIGNED | Director | 06 Jul 2007 | 15 Nov 2010 | Uk | May 1972 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| KING, Thomas George RESIGNED | Director | | 16 Feb 1994 | | May 1938 | 4 St Jamess Terrace Mews, St Johns Wood, London, NW8 7LJ |
| LEE, Brian Thomas RESIGNED | Director | | 13 Nov 1992 | | December 1945 | Kingsleave 15 Woodside Road, Sevenoaks, Kent, TN13 3HF |
| LOUGH, Keith Geddes RESIGNED | Director | 29 Sep 1994 | 03 Mar 1997 | | February 1959 | 77 Mortlake Road, Kew, Surrey, TW9 4AA |
| LUGLI, Alberto RESIGNED | Director | 09 Jan 2002 | 01 Feb 2008 | | September 1968 | Residenza Acacie 512, Via Verdi, Basiglio Milano, 20080, Italy |
| MANTELLASSI, Stefano RESIGNED | Director | 14 Apr 2016 | 21 Feb 2018 | Italy | February 1966 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| MILROY, Duncan Taylor RESIGNED | Director | 01 Feb 1999 | 22 Apr 2002 | United Kingdom | March 1953 | Oaklands, Hampton Court Road, East Molesey, Surrey, KT8 9DA |
| NUNNS, Edmund Roger William RESIGNED | Director | 15 Feb 1994 | 26 Sep 1994 | | May 1948 | Sackfords, Mole Hill Green, Felsted, Essex, CM6 3JP |
| O'BRIEN, Alan RESIGNED | Director | 01 Feb 1999 | 13 Aug 2002 | | June 1957 | 21 Wethered Park, Marlow, Buckinghamshire, SL7 2BH |
| PASQUA, Roberto RESIGNED | Director | 29 Mar 2017 | 13 Jun 2017 | United Kingdom | March 1965 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAVIA, Michael James RESIGNED | Director | | 31 Dec 1993 | | October 1946 | Langhurst 5 Derby Road, Haslemere, Surrey, GU27 1BS |
| PRENDERGAST, Stephen RESIGNED | Director | 12 Mar 2013 | 10 Jul 2015 | Italy | January 1955 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| SMERNOFF, Richard Louis RESIGNED | Director | 16 Mar 1994 | 01 Feb 1999 | | July 1941 | 3 Trevor Square, Knightsbridge, London, SW7 1DT |
| SVARA, Paolo RESIGNED | Director | 16 Jan 2014 | 14 Apr 2016 | Italy | February 1964 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| TREZZA, Mila RESIGNED | Director | 15 Nov 2010 | 30 Oct 2020 | England | September 1975 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| TVEIT, Nils Arve RESIGNED | Director | 01 Feb 2008 | 12 Mar 2013 | | May 1958 | 2h Via Bruxelles, San Donato Milanese, Milan, 20097, Italy |
| WEDGWOOD, John Arthur Thomas RESIGNED | Director | 15 Feb 1994 | 01 Feb 1999 | United Kingdom | September 1940 | 32 Chantry Close, Bishops Stortford, Hertfordshire, CM23 2SN |