Southampton FC have confirmed the resignation of Executive Chairman Nicola Cortese, in a statement on the club's Twitter feed.
Owner Katharina Liebherr has taken on the role of non-executive chairman.
A statement on the club website says a search has begun for a Chief Executive Officer who will take over Mr Cortese's executive duties.
More top news
Simon's Blog - Moths & Butterflies
Thursday night's weather for the east of the region
Thursday night's weather for the west of the region