Mark Kerr (Royal Navy officer, born 1949)Mark William Graham Kerr is a former Royal Navy officer who went on to be Chief Executive of Powys County Council.Naval careerKerr joined the Royal Navy in 1967, aged 18. He was given command of the patrol boat in waters off Northern Ireland in 1976 and the minesweeper in waters off Hong Kong in 1982. After a period with the Schools Presentation Team and then as executive officer on a larger ship, he was given command of the frigate in 1988 and the frigate in 1994. He was appointed Deputy Flag Officer, Sea Training in 1997, Commodore of the Britannia [Royal Naval College|Royal Naval College, Dartmouth] in 1999 and Naval Secretary in 2002. He retired in 2004.Later lifeIn retirement he became Chief [executive officer|Chief Executive] of Powys County Council in May 2004 and interim Director of the National [Botanic Garden of Wales] in October 2009.Personal lifeHe lives in Llangors, Powys, with his wife, Louisa. They have two sons and a daughter.