欧州緑の党
Reinhard Hans Bütikofer (born 26 January 1953) is a German politician who has been serving as a member of the European Parliament since 2009. He is a member of the Alliance 90/The Greens, part of the European Green Party. He was the co-chair of Alliance 90/The Greens (alongside Claudia Roth from 2002 to 2008 and of the European Green Party (alongside Monica Frassoni) from 2012 to 2019.