Becker was the skip for New Zealand teams which won three Pacific Curling Championships in 1998, 2003, and 2004. He has also played for the New Zealand team in five World Men's Championships, skipping the team at the 1999 (0-9; 10th), the 2004 (3-6; 7th), and the 2005 World Men's Curling Championship(5-6; 8th). He also played third for New Zealand at the 2001 (2-7; 9th) and 2012 World Men's Curling Championships (7-5; 5th). He represented New Zealand at the 2006 Winter Olympics as the team's skip. He was the only member of the New Zealand team to be originally from New Zealand. His was the first men's curling team to represent New Zealand at the Olympics; unfortunately, they finished last out of 10 teams without notching a victory. His curling team consisted of Lorne de Pape, Hans Frauenlob, Dan Mustapic and Warren Dobson. He carried the flag at the opening and closing ceremonies for his nation.