The Lord Speaker is elected by Members of the House of Lords every five years. This House of Lords Library briefing provides an overview of the process for electing a Lord Speaker. It includes information on standing for election, voting and the triggers for an election. The primary role of the Lord Speaker is to preside over proceedings in the Chamber, including committees of the whole House. Details about the office of the Lord Speaker itself, as well as background to how the office came into being, are available in Lords Library briefing Principal Office Holders in the House of Lords (19 March 2015).