|Born||16 August 1954|
|Years of service||1973-2009|
|Commands held||1st Signals Brigade|
|Awards||Commander of the Order of the British Empire|
McDowall joined the British Army as a private in the Royal Corps of Signals at the age of 18. He was commissioned into the Corps in 1981 and later commanded a squadron in operations in Northern Ireland and a regiment in operations during the Bosnian War. He went on to be Commander 1st Signal Brigade and then Signal Officer-in-Chief before being appointed General Officer Commanding 2nd Division and Governor of Edinburgh Castle in 2007 and retiring in 2009.
He is married to Valerie; they have two sons and a daughter.
- Scotland's top soldier on his rise through the ranks from council estate to top brass Daily Record, 11 August 2008
- "No. 48928". The London Gazette (Supplement). 22 March 1982. p. 4009.
- Recent Branch Activities Archived 11 September 2010 at the Wayback Machine the Mercury, 2003/4
- "No. 58330". The London Gazette. 18 May 2007. p. 7193.
- Army Commands Archived 5 July 2015 at the Wayback Machine
- David McDowall interview: The class warrior The Scotsman, 29 January 2009
- Salmond faces flak on recruitment of military adviser Glasgow Herald, 9 October 2009
| General Officer Commanding the 2nd Division