Marina Granovskaia is expected to leave Chelsea as Todd Boehly prepares to take over from Bruce Buck as chairman, the PA news agency understands.
Todd Boehly has vowed to build on Chelsea's "remarkable history of success" after completing his £4.25billion purchase of the Stamford Bridge club.
Outgoing owner Roman Abramovich says it has been an "honour of a lifetime" to be part of Chelsea as he prepares to hand over to Todd Boehly.
The proceeds from the sale of Chelsea will be frozen in a UK bank account until the Government has received further assurances that the money will solely go to support humanitarian causes in Ukraine.
The Chelsea sale is inching ever closer to being ratified, the PA news agency understands.
Thomas Tuchel believes Chelsea face a summer of "rebuilding" amid the impact of the Stamford Bridge club's sale.
Roman Abramovich and the UK Government have found a legal resolution that should now usher through the Chelsea sale.
Todd Boehly's consortium bid to buy Chelsea is now expected to be put forward for Premier League and Government approval.
Roman Abramovich's decision to sell Chelsea was described by Thomas Tuchel as "big news" that had "not sunk in yet" after the FA Cup win at Luton.
Thomas Tuchel has pledged Chelsea will maintain maximum commitment to help distract supporters from the realities of war in Europe and issues on the Blues' club structure.