Sean served for six years with the 1st Battalion Welsh Guards, four of these were spent as a PTI. He completed a number of operations at home and abroad after leaving the Army, he managed a number of Health and Leisure Clubs in the Cardiff and Swansea area. Sean is a qualified Sports Therapist, Advanced Self Defence Instructor, Level Three Strength & Conditioning coach and holds a level Four Higher Diploma in Diet and Nutrition.
Whilst serving in the Army he was a keen Boxer winning the IBB Light Heavy Weight title. Upon leaving the Army he played rugby for Brackla R.F.C and he maintains a close relationship with the club to this day.