John Heimlich joined Airlines for America (A4A) in April 2001 and currently serves as Vice President and Chief Economist. He is responsible for matters pertaining to economics and energy and frequently engages with members of the media. Prior to A4A, Heimlich spent five years at United Airlines in financial planning, financial analysis and international and regulatory affairs. In the latter role, he worked on competition matters, mergers, route cases and antitrust immunity for alliances. A native of Kent, Ohio, Heimlich holds a Bachelor of Arts degree magna cum laude, Phi Beta Kappa, from Cornell University and a master’s degree in public policy from Harvard University’s John F. Kennedy School of Government.

Doug Mullen is Vice President and Deputy General Counsel for Airlines for America. Mullen previously served as Associate General Counsel, Regulatory Affairs for the association, serving as legal counsel to member airlines on a wide range of regulatory issues at the international, federal, state and local levels. His legal portfolio has included matters regarding safety and operations; airports; drug and alcohol testing; accommodations for passengers with disabilities; cargo operations; and pilot qualification, training and certification. As Vice President and Deputy General Counsel, Mullen advocates before U.S. federal agencies and foreign regulatory bodies to ensure that legislative decisions and regulatory policies strengthen the aviation industry and maintain the highest level of safety. Prior to joining A4A in 2007, Mullen served as an Attorney Advisor in the Office of the Chief Counsel, Regulations Division at the Federal Aviation Administration (FAA) and as an Attorney Advisor in the Office of the General Counsel, Ethics Division at the U.S. Department of Commerce.

Tristan Attwood joined Airlines Clearing House (ACH) in 2012 and is the current Manager of Settlement Operations. In addition to ensuring that Settlements process smoothly, he is responsible for emerging technology identification and education with a focus on how they will impact Revenue Accounting and Interline Settlement.