Keresoni has three caps for the National Fijian team making his debut against Tonga in 2008 and played again for Fiji in 2010 against Japan where he scored a try. He played against New Zealand in 2011.
As of early 2010 he signed for Guinness Premiership runners-up Saracens.
He has played for the season 2010/2011 for CA Périgueux in the 3rd level of French championship. This team will play next season in Pro D2 (2nd division). Keresoni played his last professional match, against Wales, on 2 October 2011.[1]