Baroness Karren Brady has stepped down as vice-chair of Premier League club West Ham after 16 years.
The businesswoman, who was appointed in January 2010 by then joint-chairs David Sullivan and David Gold, left on 15 April.
She told The Times she made the decision to leave in mid-February, having first started considering it in January.
In a statement, Brady said: "It has been a privilege to work alongside the board, management, players, staff and supporters at West Ham United.
"Together we have achieved remarkable milestones, but the highlight for me will always be lifting the Uefa Europa Conference League trophy – a moment that will stay with me forever. I am deeply grateful for the relationships, challenges and opportunities that have shaped my time at the club.”
West Ham's joint-chair Sullivan hailed Brady as an "exceptional leader" and a "key figure in the club's development".
Joint-chair Daniel Kretinsky added: "Her contribution to West Ham United's growth, such as the long-term contract for the London Stadium, shareholders transition and the British record transfer of Declan Rice, has been absolutely essential and not always fully appreciated.
"Karren is also very highly appreciated in the Premier League leadership community and was an excellent representative of our club there."
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