Glamorgan Cricket's chief executive Alan Hamer has announced his resignation from the club after seven years.
Hugh Morris, of England Cricket, will return to Glamorgan as chief executive and director of cricket.
Alan Hamer said: “This has been a difficult decision following seven happy years at the club.
"I am, however, convinced that this is the right time for me to build on my successes at the club and to take on a new challenge."
Glamorgan Cricket Chairman Barry O’Brien said: "I am very grateful to Alan and respect his decision to seek a new challenge.
"I am also pleased that Alan has accepted the Committee’s invitation to become an honorary life member in recognition of his contribution to the club."