 Complete the following sentence: Michał Jerzy Winiarski born 28 September 1983 is a Polish volleyball coach and former volleyball player, member of the Poland mens national volleyball team from 2004 to 2014, participant of the Olympic Games Beijing 2008, London 2012, 2014 World Champion, gold medalist of the 2012 World League, silver medalist of the : 2006 World Championship ati 2011 World Cup, mẹta  igba Polish Champion 2006, 2010, 2011 ati ọkan akoko Italian Champion 2008, lọwọlọwọ olori olukọni ti Polish egbe Trefl Gdańsk. 