Mario Stecher
He won six medals at the FIS Nordic World Ski Championships with two gold , three silvers ( 7 . 5 km sprint: 1999 , 4 x 5 km team: 2001 ) and a bronze ( 4 x 5 km team: 1997 ) . 
<triplet> FIS Nordic World Ski Championships <subj> 1999 <obj> has part <subj> 2001 <obj> has part <subj> 1997 <obj> has part