Alexander Windsor Earl of Ulster
- Category : Notable-Famous-Royal-family
- Type : GP
- Profile : 5/1 - Heretical / Investigator
- Definition : Single
- Incarnation Cross : LAX Wishes 2
British royalty, the only son of the Duke and Duchess of Gloucester, 23rd in the line of succession to the British Throne since July 2013.
Lord Ulster was educated at Eton College, King's College London where he obtained a BA degree in War Studies in 1996, and at the Royal Military Academy Sandhurst.
He was commissioned into the King's Royal Hussars on 10 April 1998 as a subaltern (second lieutenant) with seniority from 14 April 1995, promoted to subaltern (lieutenant) on 10 April 1998 with seniority from 14 April 1997. He was promoted to captain on 16 October 2000. He saw active service in Northern Ireland, Kosovo in 2002, and then Iraq. On 28 April 2008, he was appointed to the Reserve of Officers, signalling his retirement from the British Army, in the rank of acting major.
Since leaving the army, he has been Director of Transnational Crisis Project, as Alex Ulster.
Ulster was married on 22 June 2002 to Claire Booth, a physician, in the Queen's Chapel, St. James's Palace, London. The couple have two children: Xan Richard Anders Windsor, Lord Culloden (born 12 March 2007) and Lady Cosima Rose Alexandra Windsor (born 20 May 2010).
He has been seen more rarely in the public eye than his two sisters, Lady Davina Lewis and Lady Rose Gilman.