About Sébastien Ostertag
Sébastien Ostertag (born 16 March 1979 in Paris) is a French team handball player. He played on the France men's national handball team which won gold medals at the 2009 World Men's Handball Championship in Croatia and at the 2010 European Championship in Austria. == Club career == Ostertag started his career at Livry-Gargan HB where he made his senior debut. With the club he was promoted to the Starligue in 1999. After the team was relegated he joined Athletic Club de Boulogne-Billancourt for a season, before returning to Livry-Gargan HB. In 2003 he was once again promoted to the top french league. After another relegation in 2005 he joined Tremblay-en-France Handball, where he played until 2012. From 2012 to 2015 he played for Chartres MBH 28 in the second tier. In 2018 he became the assistant coach at the club.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.