Stenning was commissioned into the
Royal Engineers on 4 September 1995. He was transferred to the
Green Howards on 1 August 1996. In December 1997, he was awarded the
Queen's Commendation for Valuable Service "in recognition of gallant and distinguished services in the former Yugoslavia during the period 21st December 1996 to 20th June 1997". He was promoted to
captain on 16 March 1998. In July 2008, he was appointed a
Member of the Order of the British Empire (MBE) "in recognition of gallant and distinguished services in Iraq during the period 1st October 2007 to 31st March 2008". In 2012, he saw active service as commanding officer of 3rd Battalion,
Yorkshire Regiment in Afghanistan during
Operation Herrick. In March 2013, he was advanced to
Officer of the Order of the British Empire (OBE) "in recognition of gallant and distinguished services in Afghanistan during the period 1 April 2012 to 30 September 2012". Stenning became chief of staff of
3rd (United Kingdom) Division in October 2013, and was promoted to
brigadier on 30 June 2014. He became commander of
1st Armoured Infantry Brigade in September 2016. He was promoted to
major general on 29 July 2022, and appointed
Commandant of the Royal Military Academy Sandhurst on 12 August 2022. In March 2026 it was announced that he would become
Commander Land Forces, taking up the position with promotion to
lieutenant-general on 30 April 2026. On 6 June 2021, Stenning was appointed colonel of the Yorkshire Regiment, an honorary and ceremonial appointment, for a term of five years in succession to Brigadier Andrew Jackson. He was appointed colonel commandant of the
Royal Army Veterinary Corps on 1 June 2022, in succession to Lieutenant General
Roland Walker. He was made honorary colonel of the
University of London Officers' Training Corps on 31 July 2022, in succession to Lieutenant General
James Bashall. Stenning was appointed a
Companion of the Order of the Bath in the
2025 Birthday Honours. ==References==