Jeff Cook was a professional cricket player who played primarily for Northamptonshire in England. He started out in the New South Wales Under-17's team in the 1988/89 season and later travelled to the UK where he first played league cricket in 1993. He played 144 matches for Northamptonshire, making a particular impact in one-day competitions for his team, before leaving the club in 2004.
In 2001, Jeff acted as a substitute fielder for England in a Test match against Pakistan at Lord's Cricket Ground as a substitute fielder in the absence of injured England captain, Nasser Hussain.
Following his retirement from professional cricket and return to Australia, Jeff discovered he was of Kamilaroi Australian Aboriginal descent. He captained the New South Wales Indigenous cricket side at the 2006 Imparja Cup and played for the New South Wales Country team from 2007 to 2009, including captaining the side in 2008/09.
Jeff is the current coach of the National Indigenous Men’s Team.