Julian Winter has left his position as chief executive at Swansea City, WalesOnline understands.
Winter spent nearly three years at the Swans, and his departure comes as part of an ongoing shake-up of the club's hierarchy.
The club are understood to still be working on a move to bring Luton Town's Chief Operating Officer Paul Watson on board as a sporting director, although that move has seemingly been delayed due to the Hatters' participation in the Championship play-off final this weekend.
Meanwhile, Andy Coleman has already been installed as the chairman, and has been briefed with the day-to-day running of the club. Indeed, the American is likely to lead the search for a new boss following the departure of Russell Martin.
Martin was due to discuss his future with Coleman and the club's American owners last week, but opted not to travel across the Atlantic amid interest from Southampton.
The 37-year-old is understood to have verbally agreed to take the the job at St Mary's and reports elsewhere have suggested a compensation fee of £400,000 has already been agreed between the two clubs.
The move could subsequently be confirmed in the next few hours.
Winter's departure comes despite releasing a strongly-worded statement hitting out at a WalesOnline report on his expected departure earlier this month.
The statement, signed by Coleman, read: "Swansea City AFC believes that people matter. I believe that people matter.
I am extremely disappointed by recent speculation in the media regarding Julian Winter and Josh Marsh. That is just not ok and it's simply something I cannot let stand.
"We as a club will always support our community members when wronged."
Swansea City have declined to comment.
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