Liberal/Liberal Democrat MP for Orkney and Shetland 1983-2001, Liberal Democrat MSP for Orkney 1999-2007
Liberal/Liberal Democrat Chief Whip 1987-92, Leader of the Scottish Liberal Democrats 1992-2005, Leader of the Liberal Democrats in the House of Lords 2013-16
Deputy First Minister of Scotland 1999-2005, Minister for Justice 1999-2003, Minister for Enterprise and Lifelong Learning 2003-05, Advocate General for Scotland 2010-15
