| DAVIS, Elliot Staub ACTIVE | Secretary | 01 May 2011 | | | | 1000, Six Ppg, Pittsburgh, Pa 15222, United States |
| MWLAW SERVICES LIMITED ACTIVE | Secretary | 21 Aug 2017 | | | | Second Floor, 11 Pilgrim Street, London, EC4V 6RN, England |
| DAVIS, Elliot Staub ACTIVE | Director | 01 May 2011 | | United States | August 1961 | 1000, Six Ppg Place, Pittsburgh, Pa 15222, United States |
| DECOURCY, Patrick ACTIVE | Director | 15 Jul 2013 | | United States | October 1962 | 1000, Six Ppg Place, Pittsburgh, PA 15222, United States |
| BONIME, Jonathan David RESIGNED | Secretary | 31 Oct 1998 | 18 Jan 2001 | | | 240 Trotwood Drive, Upper St Claire Pennsylvania 15241, Usa, FOREIGN |
| GLASSON, Peter RESIGNED | Secretary | | 29 Dec 1995 | | | Danes Lye, Westbury Road, Bratton, Westbury, Wiltshire, BA13 4TB |
| RUSSELL, Lewis Michael RESIGNED | Secretary | 29 Dec 1995 | 27 Mar 1997 | | | 833 So Rimpau Blvd, Los Angeles, California, 90005, Usa |
| TISHOK, John Michael RESIGNED | Secretary | 15 May 2001 | 01 Apr 2008 | | | 1 Sunedecker Road, Amity, Pa 15311, United States |
| VICCARO, Patrick RESIGNED | Secretary | 27 Mar 1997 | 31 Oct 1998 | | | 1000 Six Ppg Place, Pittsburgh 15222-5479, Pennsylvania Usa, FOREIGN |
| WALTON, Jon David RESIGNED | Secretary | 18 Jan 2001 | 01 May 2011 | | | 137 Hoodridge Drive, Pittsburgh, Pennsylvania 15228, Usa |
| GRAVITAS COMPANY SECRETARIAL SERVICES LIMITED RESIGNED | Secretary | 01 Apr 2008 | 21 Aug 2017 | | | One, New Change, London, EC4M 9AF |
| BAILLIE, James H RESIGNED | Director | 29 Dec 1995 | 25 Mar 1996 | | December 1946 | Hagenauer Strabe 42, Wiesbaden 65203, Germany, FOREIGN |
| BENSON, Richard RESIGNED | Director | 05 May 1993 | 29 Dec 1995 | | | Stockadon Farm, Cheriton Fitzpaine, Crediton, Devon, EX17 4JU |
| BENSON, Vera Blanch RESIGNED | Director | | 04 Mar 1992 | | July 1908 | 9 Hove Street, Hove, East Sussex, BN3 2TR |
| COOPER, Anthony Rupert Valentine RESIGNED | Director | 14 May 1993 | 29 Dec 1995 | | May 1937 | Edington Priory, Edington, Westbury, Wiltshire, BA13 4QR |
| GLASSON, Judith Mary RESIGNED | Director | | 05 May 1993 | | October 1942 | Danes Lye, Bratton, Westbury, Wiltshire |
| GLASSON, Peter RESIGNED | Director | 05 May 1993 | 29 Dec 1995 | United Kingdom | June 1939 | Danes Lye, Westbury Road, Bratton, Westbury, Wiltshire, BA13 4TB |
| GONSETH, Denis RESIGNED | Director | 07 Sep 1995 | 27 Dec 1995 | | October 1942 | Nyon Ch 1225, Switzerland, FOREIGN |
| GRUNSKY, Manfred RESIGNED | Director | 14 May 1993 | 27 Dec 1995 | | January 1935 | Im Rehwinkel 3, Heusenstamm, D-63150 Germany |
| HOGAN, David Michael RESIGNED | Director | 29 Dec 1995 | 01 Apr 2012 | | February 1947 | 506 Midway Circle Brentwood, Tennessee 37027, Usa |
| KIEFFER, Bernhard Fritz RESIGNED | Director | 29 Dec 1995 | 26 Dec 1996 | | March 1934 | 11 Old Chimney Road, Huntsville, Alabama, 35801, Usa |
| MARWICK, George Robert RESIGNED | Director | 14 May 1993 | 29 Dec 1995 | | February 1932 | Swannay House, By Evie, Kirkwall, Orkney, KW17 2NP |
| PARKER, Clive RESIGNED | Director | 31 Dec 1999 | 28 Feb 2003 | | November 1964 | Schlossstrasse 37, 65719 Hofheim, Germany |
| REID, Dale Gary RESIGNED | Director | 03 May 2012 | 15 Jul 2013 | Usa | December 1955 | 1000, Six Ppg Place, Pittsburgh, Pa 15222, Usa |
| RILEY, Gary L RESIGNED | Director | 29 Dec 1995 | 31 Jul 1997 | | April 1937 | 4226 Tarzana Estates Drive, Tarzana 91356 California, Usa, FOREIGN |
| RUSSELL, Lewis Michael RESIGNED | Director | 23 Sep 1996 | 23 Sep 1996 | | August 1947 | 833 So Rimpau Blvd, Los Angeles, California, 90005, Usa |
| TOLLEY, Trevor David RESIGNED | Director | 01 Apr 1998 | 31 Oct 1998 | England | December 1952 | Tolbrook Coventry Close, Kinnersley Severn Stoke, Worcester, Worcestershire, WR8 9JR |
| WALTON, Jon David RESIGNED | Director | 01 Apr 1998 | 01 May 2011 | | September 1942 | 137 Hoodridge Drive, Pittsburgh, Pennsylvania 15228, Usa |
| WETHERBEE, Robert Solon RESIGNED | Director | 03 May 2012 | 28 Feb 2013 | Usa | August 1959 | 1000, Six Ppg Place, Pittsburgh, Pa 15222, Usa |
| WHITWORTH, John Edward RESIGNED | Director | 07 Sep 1995 | 27 Dec 1995 | United Kingdom | December 1944 | Tara Long Walk, Chalfont St Giles, Buckinghamshire, HP8 4AW |