Willie Walsh became chief executive of International Airlines Group (IAG) in January 2011, joining from British Airways where he was chief executive from October 2005. IAG is the parent company of Aer Lingus, British Airways, Iberia and Vueling. It is one of the world's largest airline groups with 547 aircraft flying to 268 destinations and carrying more than 100 million passengers each year. Previous to his role at British Airways, Willie was chief executive of Aer Lingus from October 2001. He joined the airline in 1979 as a cadet pilot and became a captain in 1990 before moving into management roles. Originally from Dublin, Willie is also chairman of the Ireland's National Treasury Management Agency (NTMA).