Mungo has worked within the family farming business since 1982 and is now the managing director of the 840 acre family beef and sheep farm in Darvel, Ayrshire. he sells calves as store cattle and all lambs as finished/prime lambs. Mungo is a Director of the Royal Highland and Agricultural Society of Scotland (RHASS), the Royal Highland Educational Trust (RHET) and is a committee member of the Ayrshire NFUS regional board and New Milns Agricultural Society. His hobbies include vintage farm machinery, skiing and socialising. Mungo is married to Marion and has three daughters.