About Sixel

The Sixel Consulting Group team brings a collection of varied backgrounds to the field of air service development. We’re former airline and airport executives, airline analysts, data junkies, and former aviation journalists. We use all of our skills to make the best cases for additional service in more than 70 current client markets around the country.


Mark Sixel

President and Owner

Mark Sixel is a nationally recognized leader in air service development. He has been working on behalf of airports since graduating from the University of Texas in Austin with his Master Degree in Business Administration....

Mark Sixel

President and Owner

Mark Sixel is a nationally recognized leader in air service development. He has been working on behalf of airports since graduating from the University of Texas in Austin with his Master Degree in Business Administration. In 1996 he formed Transportation Solutions, Inc., in Austin, TX, his first fully owned airport and air services consulting firm. In 2001 he renamed the company Sixel Consulting Group, Inc. to better reflect the recognition that he had received in the industry. Mark has represented hundreds of airports of varying sizes at airline corporate headquarters, industry conferences, and at local community forums. Frequently asked by regional and national media from around the nation for his expert views on the industry, he has also been a featured speaker at numerous aviation conferences, both on the regional and the national level. Mark has developed strong, personal relationships with top airline route decision makers and continues to work with them on behalf of client airports across the country. His innovative solutions to air service challenges have made him a favorite in airline boardrooms around the country.

(541) 341-1601
Eugene, OR



Jeremiah Gerald

Executive Director, Air Service Strategy and Development

Jeremiah Gerald brings more than 13 years of aviation marketing and business development experience to Sixel Consulting Group. He has extensive experience in negotiating and presenting detailed information to business professionals across multiple industry sectors....

Jeremiah Gerald

Executive Director, Air Service Strategy and Development

Jeremiah Gerald brings more than 13 years of aviation marketing and business development experience to Sixel Consulting Group. He has extensive experience in negotiating and presenting detailed information to business professionals across multiple industry sectors. In 2001, he launched his career with Continental Airlines while working to complete his Professional Aviation degree at Louisiana Tech University. In 2003, Jeremiah landed his first airport role as an Operations Supervisor at Gulfport-Biloxi International Airport (GPT). While serving in the role of Operations Supervisor, Jeremiah was directly responsible for environmental oversight, airport security, and ground transportation management and compliance initiatives. After GPT completed a $50M terminal expansion project, Jeremiah was offered a new role in air service and business development, where he served for more than 6 years. As Director of Air Service and Business Development at GPT, he was responsible for conducting thorough market analysis and securing local stakeholder support that resulted in additional air service from five new carriers. Jeremiah was successful in developing numerous multimillion dollar air program partnerships between local stakeholders and air carriers. In 2012, he entered the private sector in a new role as VP, Business Development for Thanks Again, the world’s only airport-centric loyalty coalition provider. At Thanks Again he was responsible for launching airport loyalty programs across North America and spearheaded program management and development initiatives. Jeremiah was successful in helping to establish lucrative partnerships between major corporations and airports across North America. He is a graduate of the MS Gulf Coast Leadership program and the Gulf Coast Business Council’s Masters Program. He has attained the credentials of “Certified Member” of the American Association of Airport Executives and has a commercial pilot’s license. Jeremiah currently resides in Gulfport, Mississippi, with his wife Stacy and their two daughters, Cailynn and Kylie.

(228) 323-0708
Gulfport, MS