1.1 From 18 October 1977 to 10 November 1977 President: Sir Norman Price, United Kingdom, Most senior Member 1.2 From 11 November 1977 to 31 December 1980 President: Mr Michael N. Murphy, Ireland
2.1 From 1 January 1981 to 17 October 1981 President: Mr Michael N. Murphy, Ireland 2.2 From 18 October 1981 to 17 April 1983 President: Mr Pierre Lelong, France
4.1 From 18 October 1983 to 17 October 1984 President: Mr Pierre Lelong, France 4.2 From 18 October 1984 to 26 January 1986 President: Mr Marcel Mart, Luxembourg
15.1 From 1 January 1996 to 17 January 1999 President: Mr Bernhard Friedmann, Germany 15.2 From 18 January 1999 to 29 February 2000 President: Mr Jan O. Karlsson, Sweden
19.1 From 2 November 2004 to 16 January 2005 President: Mr Juan Manuel Fabra Vallés, Spain 19.2 From 17 January 2005 to 28 February 2006 President: Mr Hubert Weber, Austria