Greg is a seasoned aviation executive with experience across airline operations, maintenance and cargo.

Prior to joining ATSG as the CEO, Greg served as executive vice president and chief operating officer at Sun Country Airlines, where he led the carrier through a period of operational change and performance improvement.

Prior to Sun Country Airlines, Greg held senior leadership roles at Alaska Airlines, where he worked on strengthening maintenance, engineering and labour relations during a period of organisational transformation.

He also spent more than a decade at Delta Air Lines, overseeing complex global operations across maintenance, ground handling and cargo functions.

Earlier in his career, Greg worked with Boston Consulting Group, advising aviation and defence clients on operational strategy and large-scale organisational challenges.