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Dutch dressage trainer
For the Dutch cyclist, see Sjefke Janssen.
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Sjef Janssen (born January 15, 1950) is the Dutch national Olympic team dressage coach and spouse of Anky van Grunsven. He won a bronze medal in team dressage at the 1991 European Dressage Championships in Donaueschingen, Germany.
Sjef Janssen (left)
