Career
Gathuessi joined Hibs from Football Club Sète in July 2007 following a successful trial period with the club Due to his aggressive playing style, Hibs fans referred to him as "Hong Kong Thierry", after the cartoon character Hong Kong Phooey. Gathuessi fell out of favour at Hibs after he conceded two penalty kicks towards the end of the 2007-2008 season.
He did not play for Hibs in the 2008-2009 season, having been told by Mixu Paatelainen during August 2008 that he would not play for Hibs again.
Gathuessi was eventually released by Hibs to sign for Inverness Caledonian Thistle in January 2009, along with Filipe Morais. He only made one appearance for Inverness, however, before he was released at the end of the 2008-2009 season.
Gathuessi had a trial spell with Raith Rovers in November 2009, appearing in a reserve team match and two league matches as a trialist. He then signed a contract with the Kirkcaldy club during the following month.
In January 2015, he was reported to have signed with Persiram.