| VISTRA COSEC LIMITED ACTIVE | Secretary | 24 Jul 2019 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| D'ANGELO, Brian ACTIVE | Director | 01 Mar 2019 | | United States | January 1977 | 655 N. River Rd. Nw,, Suite A, Warren, OH 44483, United States |
| WOOTEN, Ryan ACTIVE | Director | 01 Mar 2019 | | United States | February 1980 | 655 N. River Rd. Nw,, Suite A, Warren, OH 44483, United States |
| DAY, Nigel RESIGNED | Secretary | 28 Jul 1995 | 18 Jul 1996 | | | 46 Monks Avenue, West Molesey, Surrey, KT8 2HD |
| GRACE, Lori A RESIGNED | Secretary | 09 Dec 2009 | 31 Oct 2015 | | | 94, Troutman Road, Hermitage, Pa16148, United States |
| JONES, Rhiannon RESIGNED | Secretary | 11 Mar 2014 | 09 Nov 2015 | | | 100, Pall Mall, London, SW1Y 5NQ, England |
| KRANCEVICH, Kimberly Susan RESIGNED | Secretary | 13 Nov 2008 | 09 Dec 2009 | | | 2035, Squirrel Run Court, Mineral Ridge, OH 44440, United States |
| MAW, Timothy Ian RESIGNED | Secretary | 13 Jun 2016 | 11 Aug 2016 | | | Ground Floor, Lock House, 58 Hamm Moor Lane, Weybridge, Surrey, KT15 2SF |
| MCRAE, Gary RESIGNED | Secretary | 03 Feb 2012 | 02 Sep 2013 | | | Riverdene Industrial Estate, Molesey Road, Hersham Walton-On-Thames, Surrey, KT12 4RY |
| MORRIS, Keith Geoffrey RESIGNED | Secretary | | 28 Jul 1995 | | | 31 Sparrow Farm Road, Epsom, Surrey, KT17 2JJ |
| PEARSON, Michael RESIGNED | Secretary | 05 Feb 2002 | 03 Feb 2012 | | | 449 Laury Lane, New Wilmington, Pa 16142, Usa |
| STAGG, David Alan RESIGNED | Secretary | 05 Mar 1997 | 05 Feb 2002 | | | Chanctonbury Sanctuary Lane, Storrington, Pulborough, West Sussex, RH20 3JE |
| SUMMER, Michael Vincent RESIGNED | Secretary | 18 Jul 1996 | 21 Mar 1997 | | | 10 Molesham Close, Molesey, Surrey, KT8 1PA |
| TURCO, Susan RESIGNED | Secretary | 05 Feb 2002 | 13 Nov 2008 | | | 134 S Crescent Drive, Hermitage, Pa 16148, Usa |
| VALIBHAI, Yasmin RESIGNED | Secretary | 01 Nov 2015 | 13 Jun 2016 | | | Ground Floor, Lock House, 58 Hamm Moor Lane, Weybridge, Surrey, KT15 2SF |
| BRADSHAW, Ivor RESIGNED | Director | 09 Mar 1993 | 18 Jul 1996 | | April 1935 | 1 Sittingbourne Road, Maidstone, Kent, ME14 5ER |
| CATTRON, James RESIGNED | Director | 03 May 1997 | 22 May 2003 | | May 1924 | 416 9th Street Sharpsville, Pennsylvania, Usa 16150, FOREIGN |
| DANGERFIELD, Kevin Jeremy RESIGNED | Director | 17 Oct 2016 | 01 Mar 2019 | United Kingdom | January 1967 | Saturn House, Mercuy Park, Wycombe Lane, Wooburn Green, Buckinghamshire, HP10 0HH, United Kingdom |
| DAY, Nigel RESIGNED | Director | | 24 Apr 1997 | | August 1954 | 46 Monks Avenue, West Molesey, Surrey, KT8 2HD |
| DOWNIE, Anne Marion RESIGNED | Director | 02 Sep 2013 | 31 Oct 2015 | Uk | January 1960 | 100, Pall Mall, London, SW1Y 5NQ, England |
| DU PLESSIS, Jacobus Gerhardus RESIGNED | Director | 08 May 2015 | 28 Sep 2018 | England | March 1971 | Saturn House, Mercuy Park, Wycombe Lane, Wooburn Green, Buckinghamshire, HP10 0HH, United Kingdom |
| HANNAFORD, Deryck Ernest RESIGNED | Director | | 01 Jan 1992 | | February 1932 | 19 New House Park, St Albans, Hertfordshire, AL1 1UA |
| HARRISSON, Peter William RESIGNED | Director | | 07 Apr 1992 | England | December 1945 | Burley House, 36 Lyndon Road Manton, Rutland, LE15 8SR |
| MADDOCK, Michael John RESIGNED | Director | 31 Mar 1992 | 19 Feb 1993 | England | September 1942 | Ulverscroft Close, Ashby Road, Gilmorton, Leicestershire, LE17 5LY |
| MCRAE, Gary RESIGNED | Director | 03 Feb 2012 | 31 Aug 2013 | United Kingdom | October 1960 | Riverdene Industrial Estate, Molesey Road, Hersham Walton-On-Thames, Surrey, KT12 4RY |
| MORSE, Richard RESIGNED | Director | 03 Sep 2013 | 13 Jan 2017 | Usa | March 1962 | Saturn House, Mercuy Park, Wycombe Lane, Wooburn Green, Buckinghamshire, HP10 0HH, United Kingdom |
| PAUL, John Francis RESIGNED | Director | 13 Nov 2008 | 19 Aug 2013 | Usa | December 1954 | 516, Irwin Drive, Sewickley, PA 15143, United States |
| PEARSON, Michael RESIGNED | Director | 07 Jun 1998 | 03 Feb 2012 | Usa | September 1961 | 449 Laury Lane, New Wilmington, Pa 16142, Usa |
| QUINLAN, Anthony James RESIGNED | Director | 30 Oct 2015 | 28 Feb 2019 | England | July 1965 | Saturn House, Mercuy Park, Wycombe Lane, Wooburn Green, Buckinghamshire, HP10 0HH, United Kingdom |
| ROBERTSON, James RESIGNED | Director | 26 Feb 1993 | 13 Nov 2008 | | January 1942 | 3448 Silver Ridge Court, Hermitage Pa 16148, Usa |
| VERHOLEK, Carl RESIGNED | Director | 03 May 1997 | 30 Jun 2004 | | January 1938 | PO BOX 283, Sharpsville, Pa 16150, Usa |
| WINCHESTER, John Albert RESIGNED | Director | | 31 Jan 1992 | | March 1941 | 9 Sandalwood Road, Loughborough, Leicestershire, LE11 3PR |