Fisher was educated at Wellington College in Crowthorne, Berkshire, where he played for the 1st XV that were eliminated in the Daily Mail Cup at the Semi-final stage in 2007.
[2] He made his club debut for London Irish as a substitute against the Ospreys on 4 November 2007, in the 2007–08 EDF Energy Cup.
[4] At the end of the 2010–11 Aviva Premiership, Fisher left London Irish to join the Bedford Blues in the Greene King IPA Championship.
[5] After an impressive first season with Northampton Saints, Fisher was picked to represent England at Twickenham against the Barbarians.
In late 2023 Fisher joined former head coach at London Irish, Les Kiss, at the Queensland Reds.