He has previously played for London Irish, Leicester Tigers and Northampton Saints appearing in over 250 professional games.

[citation needed] Gibson went on to have a successful 2010–2011 at London Irish starting multiple games at openside flanker, permanently replacing the departing Steffon Armitage.

Starting alongside England internationals Tom Wood, Teimana Harrison and, for the 2016/17 season France legend Louis Picamoles, Gibson made 56 appearances for the Midlands side.

[4] A knee injury to Wasps' Joe Launchbury saw Gibson called up to the England senior squad for the summer tour of South Africa in June 2012, though he did not feature in a test.

Gibson's success with Northampton included helping to them secure a European Rugby Champions Cup spot for the 2017/18 season after seeing off first Connacht Rugby then Stade Français in the European Champions Cup play-off games.