Nathan Leslie McCullum born 1 September 1980 in Dunedin is a New Zealand international cricketer. He has also represented New Zealand in Twenty20 Internationals. He is the son of former Otago representative Stu McCullum and the older brother of current Otago and New Zealand international Brendon McCullum.McCullum is a right hand batsman and right arm off-break bowler. He made his First Class debut for Otago in the 1999/00 season. His first List A match came in the 2000/01 season and his first Twenty20 domestic match was against Canterbury at Christchurch on January 13, 2006.McCullum  an off-spinner and a handy lower order batsman was selected as part of the 30 man preliminary squad for the Champions Trophy in 2006 alongside fellow Otago team-mates Warren McSkimming and Bradley Scott but ultimately missed out on the final squad.He made his Twenty20 International debut for New Zealand against South Africa on September 19, 2007 at the Twenty20 World Cup in South Africa. His highest score of 10 not out came against Australia on February 15, 2009.