In 2012, Klinge received his doctorate on "Islam and Integration Policy of German Federal Governments after September 11, 2001" at the Humboldt University of Berlin. There he studied politics and sociology from 2002 to 2007 and graduated with a master's degree in social sciences. Klinge joined the FDP in 2001.
Klinge became member of the Bundestag after the 2017 German federal election. He was a member of the Committee for Economy and Energy and the Committee for Tourism. He was spokesman for tourism policy of the FDP parliamentary group in the Bundestag.[2]