Cem Özdemir (German: [?d??m '?œzd?mi???], Turkish: [d?æm 'œzdemi?]; born 21 December 1965) is a German politician of the German political party Alliance '90/The Greens.
Between 2008 and 2018, Özdemir served as co-chair of the Green Party, together with Claudia Roth and later Simone Peter.
He has been a Member of the German Bundestag since 2013 and he was a Member of the German Bundestag between 1994 and 2002 and of the European Parliament between 2004 and 2009.
He was standing as one of the top two Greens candidates for the 2017 German federal election.
Since 2018, he has been serving as Chairman of the Committee on Transport.