During the Olympic campaigns ( 2002 -- 2012 ) of his sons ( Sven Coster and Kalle Coster ) Coster worked as their coach .
Coster sailed Solo before he picked up Olympic sailing .
During the Olympic campaigns ( 2002 -- 2012 ) of Coster 's sons ( Sven Coster and Kalle Coster ) Coster worked as their coach .
Coster sailed Solo before he picked up Olympic sailing .