Air Transport Services Group (ATSG) appointed Greg Mays as president and CEO, effective Jan. 1, 2026. Mays succeeds Mike Berger, who is retiring. Berger will remain with ATSG in an advisory capacity for part of 2026 to ensure a smooth transition.
Mays, who was appointed president of ATSG in September 2025, is a seasoned aviation executive whose leadership has consistently delivered growth and operational excellence. As executive vice president and chief operating officer at Sun Country Airlines, he guided the carrier through periods of rapid change and performance improvement. Earlier in his career, he played a key role at Alaska Airlines, helping to strengthen maintenance, engineering and labor relations during a time of transformation. He also spent more than a decade at Delta Air Lines, where he oversaw complex global operations in maintenance, ground handling and cargo.
“I am honored to have been named as the next leader of ATSG and look forward to building on the strong foundation that Mike established during his tenure. I am excited to continue working with our talented teams in my new role as we continue to innovate and expand ATSG’s capabilities with a steadfast focus on safety, operational and financial excellence, and best-in-class service,” Mays said.
Berger added, “It has been an absolute privilege to lead ATSG and work with one of the best teams in the industry. I am proud of all that we accomplished together and am confident that ATSG has a bright future ahead under Greg’s leadership. He has already made a tremendous impact in his first few months at ATSG, and I know the company is in good hands as I enter retirement.”
Berger joined ATSG in 2018, holding the roles of chief commercial officer, chief strategy officer, and president of Airborne Global Solutions before being promoted to president in 2023 and CEO in 2024.
