Dusan Radojcic joined the senior national team in 2011, the same year he captained Canada at the FINA World Junior Championships. He had been part of the junior national team since 2008, winning silver and gold at the 2008 and 2010 junior Pan Am Games, respectively. He returned to the world junior championships in 2013 before helping Canada to a best ever sixth place finish in the 2014 FINA Water Polo World League Super Final. In addition to supporting the SWPC, he also coaches in the Ontario Water Polo RDC league. He is an alumni of the Shadow Water Polo Club.