Career
He is one of two Scottish National Party councillors for Falkirk North Ward. Falkirk Council
Before entering politics, he was support worker with a housing association. He was first elected as councillor in 1988 for the Victoria ward, then elected as a councillor for the former Middlefield Ward in 1999, then the North Ward.
In 2000 he was the best value spokesman for the Convention of Scottish Local Authorities (COSLA).
After gaining a seat in a by-election in February 2001, the Scottish National Party formed a new administration with the independents and Alexander became the council leader. Falkirk council then withdrew from COSLA. He was the Scottish National Party candidate for the Falkirk West seat at the 1997 general election, where he finished as runner-up to Dennis Canavan, winning 8,989 votes (2343% of votes cast).
In 2004 he was appointed by Alex Salmond as the Scottish National Party spokesperson on local government, a role he continued in until the elections in May 2007. He was first appointed to the board of the Scottish Ambulance service in 2008.