David Mundell has held Dumfriesshire, Clydesdale andTweeddale for the Conservative Party.
The constituency takes in three local authorities- Dumfries and Galloway,South Lanarkshire and the Scottish Borders.
For the past five years the region has been served by Mr Mundell- who won in 2010 with 38% of the vote.
Labour were closest rivals with 28%, followed by the Lib Dems taking 19%.
David was born in Dumfries and grew up in Wamphray where he went to school.
He lives in Moffat and has three grown up children, who all attended Moffat Academy.
He was a councillor in Annandale and Eskdale for two years and on Dumfries and Galloway Council until 1987.
He trained as a lawyer, working as a solicitor before joining BT as Group LegalAdviser for Scotland and subsequently Head of National Affairs.
He was the Conservative candidate for the Dumfries Constituency in the first Scottish Parliament elections in 1999 and was elected to represent the South of Scotland Region.
He served as an MSP until his election as an MP and has represented Dumfriesshire, Clydesdale and Tweeddale at Westminster since 2005.
He's led a number successful campaigns, including improving train services at Lockerbie Station and has spoken out on regeneration of rural areas, road improvements and better broadband and mobile phone reception.