Centrist Union group
Name Term start Term end
Alain Poher 26 April 1959 8 December 1960
Jean Lecanuet 8 December 1960 25 June 1963
André Colin 25 June 1963 27 October 1971
Roger Poudonson 27 October 1971 2 October 1974
André Fosset 2 October 1974 2 April 1976
Adolphe Chauvin 2 April 1976 2 April 1986
Daniel Hoeffel 2 April 1986 2 April 1993
Maurice Blin 6 April 1993 5 October 1998
Jean Arthuis 5 October 1998 17 July 2002
Xavier de Villepin 17 July 2002 10 December 2002
Michel Mercier 10 December 2002 6 July 2009
Nicolas About 7 July 2009 23 January 2011
François Zocchetto 8 February 2011 26 September 2017
Hervé Marseille 26 September 2017 present
List of presidents
The Centrist Union group (, abbreviated UC) is a centrist parliamentary group in the Senate uniting members of the Union of Democrats and Independents (UDI) and Democratic Movement (MoDem), as well as the Centrist Alliance (AC), a former component of the UDI. The group was historically associated with the Popular Republican Movement (MRP) and later the Democratic Centre (CD), Centre of Social Democrats (CDS), and Union for French Democracy (UDF). Most recently, from 2012 to 2017, it was known as the Union of Democrats and Independents - UC group (, abbreviated UDI-UC).