Stuart joined Swim Wales in 2008 in a joint role as National Talent ID coach and Head Coach for the Swansea University performance programme. This followed a successful period as Head Coach of the City of Exeter Swimming Club, where he coached swimmers to international success at junior and senior level and gained selection to work on the British World Class Programme, the European Junior Championships and FINA World Cups as part of the British coaching staff.

Since moving to Swansea, Stuart has gained valuable experience working alongside internationally renowned coaches such as former GB head sprint coach Bill Pilczuk, former GB Performance Director Bill Sweetenham and former head British ITC coach Bud McAllister. In 2012, Stuart was appointed Swim Wales High Performance Coach and has coached swimmers to be selected for the 2010 and 2014 Commonwealth Games.

In recent years, Stuart has been selected as part of the Team Wales coaching Staff at the 2010 and 2014 Commonwealth Games and as Head Coach at the 2015 Commonwealth Youth Games in Samoa.