Ron Gourlay has been confirmed as Chelsea's new chief executive following Peter Kenyon's announcement on Wednesday that he will be standing down from the role in October.
The 46-year-old is currently employed as the Blues' chief operating officer.
Gourlay, who worked as the commercial director of Manchester United' s merchandising department before joining Chelsea, said: "It's a huge honour to be offered the chance to lead Chelsea."
Kenyon will be leaving his post, which he has held since January 2004, at the end of next month.
Chelsea chairman Bruce Buck said of Gourlay's appointment: "Ron was the outstanding candidate for the job.
"It wasn't necessary to look outside as we had someone with all the necessary attributes inside which was important as it ensures continuity and a smooth transition.
"He has the total support of the board and (club owner) Roman Abramovich and both the football and business elements of the club will report to him.
"We're absolutely confident that he can now take us forward into the next stage of our development as a club and business."