Mark left the King's Troop RHA as the Master Saddler in 2004 after 22 years service. In the army he competed in eventing, where he reached intermediate level, and in team chasing up to open level. He has also been involved in showjumping and hunts on a regular basis.
He is a registered, qualified saddle fitter and regularly lectures and assesses for the Society of Master Saddlers (SMS).
Mark works in conjunction with the British Equestrian Federation on the World Class Programme, operating the Pliance saddle pressure system, which is jointly owned by the BEF and the SMS. He is also employed as an overseas trainer for World Horse Welfare, working with working horses in developing countries.