David Mark Cullen


David Mark Cullen is a senior British Army officer. He served as the Assistant Chief of the General Staff from 2013 to 2015.

Military career

After being educated at the Duke of York's Royal Military School and the Royal Military Academy Sandhurst, Cullen was commissioned into the Royal Artillery in 1982. He served as commanding officer of the 1st Regiment Royal Horse Artillery during deployment to Basra in Iraq in 2004, for which he was appointed an Officer of the Order of the British Empire. He was made Commander of the 12th Mechanized Brigade in November 2007, in which role he saw service in Afghanistan, Director of Army Staff in December 2009, and Chief of Staff for Land Forces in October 2011. He went on to serve as Assistant Chief of the General Staff from January 2013 to December 2015. He is now an adviser to the Ministry of Defence. Cullen retired from the British Army on 11 May 2016.