Previously, Kleeberger had played for Canadian clubs University of Victoria and Bayside as well as Rotherham Titans of the RFU Championship.
Kleeberger played two matches with Auckland before an injury forced him to return to Canada to join the University of Victoria of the British Columbia Premier League.
[3] In Canada's opening game of the 2011 Rugby World Cup against Tonga, Kleeberger started at blindside flanker and played the full 80 minutes making 24 tackles along the way.
[4] Adam Kleeberger was known for having had an epic beard during the 2011 Rugby World Cup, which was inspired by the substantial growth of fellow Canadian, Andrew Cockell.
[6][7] It was announced on 19 December 2011 that Kleeberger will join London Scottish FC until the end of the 2011-12 RFU Championship season.