Claude Turmes (born 26 November 1960 in Diekirch) is a Luxembourgish politician and Member of the European Parliament for Luxembourg's Green Party, part of the European Greens.

Turmes served as rapporteur on the 2008 draft EU Renewables Directive.

Gérard Mestrallet (born 1 April 1949, in Paris) is the Chairman of the Board and CEO of GDF Suez.

Gérard Mestrallet was born on 1 April 1949. He graduated from the Ecole Polytechnique of Paris, École nationale de l'aviation civile of Toulouse and the Ecole Nationale d’Administration.

In 1984, he started working for Suez. He has been its Chairman and CEO since 2001.

He was appointed as a member of the Hong Kong Chief Executive's Council of International Advisers in the years of 1998-2005. He is the President of Association Paris EUROPLACE. He is also the President of the Fondation Agir Contre l'Exclusion (FACE).

He also serves on the Boards of Hisusa, Aguas de Barcelona, Electrabel, Saint-Gobain, and Pargesa Holding S.A..

Reinhard Hans Bütikofer (born January 26, 1953) is a German politician for the Alliance 90/The Greens party and was from 8 December 2002 till 16 November 2008 party leader, together with Claudia Roth.

Bütikofer was born in Mannheim and grew up in Speyer. He studied philosophy, sinology and history in Heidelberg, but did not finish his studies. He was engaged in the student's movement and one of the "K groups", the Maoist Communist League of West Germany (Kommunistischer Bund Westdeutschland; KBW). From the 1980s onwards, he became active in Heidelberg municipal politics for the Green-Alternative List.

In 1984, he was elected into the town council of Heidelberg and became member of the Green party, the starting point of his political career with Alliance 90/The Greens. In 1988, he was elected in the Landtag (state parliament) of Baden-Württemberg. He was Member of the Landtag until 1996.

After a "family year", in 1997 Bütikofer became co-chairman of the Baden-Württembergian Green party. Two years later he was elected secretary general of the federal party. In December, 2002 he became co-chairman of the federal party. On 3 March 2008 he announced not to stand again as a party chairman and to run for European Parliament in 2009, to which he was elected.