FedEx Express Senior Vice president of Air Operations Donald O. Barber will retire his position at end of July.
Barber, 55, who has led the company's air operations since 1998, will be succeeded by James R. Parker, 53, who is currently vice president - aircraft acquisitions and supplemental air operations of FedEx Express.
"Don has brought tremendous leadership and made significant contributions to the FedEx Express Air Operations Division since joining the company in 1976," said Frederick W. Smith, chairman, president and chief executive officer of FedEx. "He has been instrumental in the development of one of the largest airlines in the world with more than 650 aircraft."
Barber, who is 55, joined FedEx as an aircraft mechanic and held a number of management positions in the company including vice president of engineering & quality assurance.
Parker joined FedEx in 1978.