The agency is fully funded by direct charges to the aviation industry and controlled by a board of directors, accountable to the Australian Parliament through the Minister for Infrastructure and Transport. The chair of Airservices Australia Board is John Weber. The chief executive officer is Jason Harfield. The agency maintains more than 4,000 skilled aviation professionals, including air traffic controllers, engineering specialists, technicians and support staff working from two major control centres, 29 air traffic control towers and fire fighting stations at 26 of Australia's busiest airports.