Jean-Vincent Placé (born 12 March 1968) is a South Korean-born, French Green politician. Adopted by a French family as a child, Placé entered politics as a member of the Radical Party of the Left before joining Europe Ecology – The Greens. He and fellow Green François de Rugy left the party in 2015 to found their own Ecologist Party. He formerly was Senator for the department of Essonne, Secretary of State for State Reform and Simplification in the Second Valls government, and president of political group Union des démocrates et des écologistes.