The Serious Bit
He was previously Minister of State for Citizenship and Immigration at the Home Office.
Mr Browne has also been Minister of State for Work at the Department for Work and Pensions and also held the position of Parliamentary Under Secretary of State at The Northern Ireland Office.
Mr Browne has been MP for Kilmarnock and Loudoun since 1997 and was previously Parliamentary Private Secretary to the late Donald Dewar MP 1998-1999 and more recently to Adam Ingram MP.
He is a former member of Select Committees on Northern Ireland 1997-1998 and Public Administration 1999 and the Joint Parliamentary Committee on Human Rights 2001.
Mr Browne also tabled the Register of Drug Trafficking Offenders Bill, a private Member's Bill to amend the Misuse of Drugs Act to establish a register of trafficking offenders.
Mr Browne was born on 22 March 1952 and studied at Glasgow University where he was awarded an LLB. He is married and has two sons. Before entering Parliament he was a lawyer, he was admitted as a solicitor in 1976 and was subsequently called to the Scottish Bar in 1993.
Not so serious
The promotion of John Reid paved the way for a much safer pair of hands in Des Browne. A close chum of Gordon Brown's, he can be trusted to quietly shelve any pointed questions about spending reviews and more money for any number of procurement initiatives.
However, his arrival at MoD has been quietly wlecomed by various high-ranking officers, who have revealed that our Des is a lot happier to allow them to voice disagreement than John Reid ever was. It remains to be seen how long this wind of change will blow through the ivory corridors in London...