Chelsea chief executive Chris Jurasek has left the club after 15 months in his role at Stamford Bridge.
Jurasek, who oversaw the business side of the club, was appointed in May 2023.
He joined the club from Clearlake Capital, the private equity firm that part owns Chelsea alongside club chairman Todd Boehly.
Jason Gannon has been announced as Jurasek's replacement as the club's new president and chief operating officer, having previously worked solely as the club's chief operating officer.
"I am honoured to assume this elevated position within a club so rich in history and well-renowned across the globe," said Gannon.