A member of the Socialist Party and mayor of Strasbourg since 2008 Ries also serves as the first President of the Strasbourg-Ortenau Eurodistrict's Council since 2010. Ries had already been the mayor of Strasbourg (and the President of the Urban Community of Strasbourg) between June 1997 and January 2000, filling in for Catherine Trautmann (whose deputy he had been since 1989) after she had become Minister of Culture and Communication in the government of Lionel Jospin.
Ries has furthermore been a Member of the Senate of France for the Bas-Rhin department between September and November 2004 and is again a Member since February 2005. Since 24 September 2008, Roland Ries is the president of the Association TGV Est-Européen. He also serves as the chairman of the Groupement des autorités responsables de transport (GART) since 2008 (elected in 2008, reelected in 2011) and was elected a member of the board of directors of the SNCF for a period of five years starting on 8 March 2013.
Member of the French Economic and Social Council : 2001-2003.
Senate of France
Senator of Bas-Rhin : Since 2004. Elected in 2004.
Regional councillor of Alsace : 1996-2004 (Resignation). Reelected in 1998, 2004.
Urban Community council
President of the Urban Community of Strasbourg : 1997-2001.
1st vice-président of the Urban Community of Strasbourg : Since 2008.
Vice-président of the Urban Community of Strasbourg : 1989-1997. Reelected in 1995.
Member of the Urban Community of Strasbourg : Since 1989. Reelected in 1995, 2001, 2008.
Mayor of Strasbourg : 1997-2000 / Since 2008. Reelected in 2008.
1st deputy-mayor of Strasbourg : 1989-1997. Reelected in 1995.
Municipal concillor of Strasbourg : Since 1983. Reelected in 1989, 1995, 2001, 2008.
President of the Strasbourg-Ortenau Eurodistrict : since 2010
- Jacques Fortier (16-03-2008). "La gauche reprend Strasbourg" (in French). Le Monde. Retrieved 2009-05-18.
- Eurodistrict Strasbourg-Ortenau / Séance inaugurale du conseil, Les Dernières Nouvelles d'Alsace, 5 February 2010 (French)
- Roland Ries, actupolitique.net (French)
- La longue marche de Roland Ries, nouveau maire de Strasbourg, Les Dernières Nouvelles d'Alsace, 17 March 2008 (French)
- RIES Roland, Sénateur du Bas-Rhin (Alsace), www.senat.fr (French)
- Communiqué de l’Association TGV Est-Européen réunie en Assemblée générale le 24 septembre 2008 (French)
- Roland Ries entre au conseil d'administration de la SNCF, mobilicites.com, 8 March 2013 (French)