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.

For over 25 years, Tom Gregorson has been working to develop products that enhance the travel industry.

Throughout his career, he has gained insight and provided leadership through his various roles at airlines and global distribution systems, and with ATPCO since 1996.

In his current role, Tom leads the Strategy organization and is responsible for creating the long-term vision for ATPCO and exploring new business ventures. His focus is on industry standards and effective ecosystem governance, incubation of new concepts like dynamic pricing and tax automation, as well as overseeing R&D and Bridge Labs.

Tom has built a reputation for being a thought leader and implementer of industry solutions in the distribution space.

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.