Date of Birth: 
Place of Birth: Rathenow, Brandenburg, Germany
About Kerstin Köppen
- Kerstin Köppen (later Köppen-Kosbab now Holtmeyer, born 24 November 1967 in Rathenow, Bezirk Potsdam) is a German rower and Olympic champion.
- She is a two-time Olympic gold medallist, winning in 1992 and 1996.
- She is married to Ralf Holtmeyer who coaches the German eight.
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