Career
Smyth-Osbourne was commissioned into the Life Guards in October 1983. He went on to be Commanding Officer of the Household Cavalry Regiment in 2005 and in that role deployed to Afghanistan in 2007 and then became Commander of 38th (Irish) Infantry Brigade in 2009. He went on to be Director of the ISAF Force Reintegration Cell in 2012 and Major-General commanding the Household Division in July 2013.
Smyth-Osbourne was Prince William"s and Prince Harry"s Commanding Officer in the Household Cavalry Regiment and acted as their military mentor.
He was also Prince Harry’s Commanding Officer when the prince undertook active service in Afghanistan. He was invited to the wedding of Prince William and Kate Middleton in April 2011.