Now with over 100 appearances since his senior international debut in 2006, van Rossom played at EuroBasket 2011 and 2013 after representing Belgium at U18 and U20 level. Playing under his father at his local junior club in Gent from the age of 5, he made his professional debut with Oostende, winning two Belgian league championships (2006 and 2007) and the Belgian Cup (2008). Following a stint in Italy where he signed for Milano but played on loan with Pesaro, he has been in Spain since 2010, helping Valencia to claim the Eurocup in 2014. His favourite sportsperson is tennis player Roger Federer. He has his own website at samvanrossom.com.