Kilmarnock chairman Jim Mann has announced he is to stand down.
Mann, 69, was appointed last March and cited “heath issues” as one of the reasons for his resignation.
He also pointed to the difficulties of doing the job while being based in Milton Keynes for business reasons.
Kilmarnock are currently second bottom of the Premiership going into the post-split fixtures.
They won 3-0 against St Johnstone at the weekend, their first victory under new manager Lee Clark.
Mann will leave the club on 26 April.
He said in a statement: “It is with considerable regret that I have to announce my decision to stand down as chairman of Kilmarnock Football Club at the forthcoming annual general meeting. I will also retire as a director from that date.
“Having been born and bred in Kilmarnock but having spent most of my career working in England, it was a dream come true to be appointed chairman of the club I have supported throughout my life in March 2015. So this has not been an easy decision for me to reach, particularly at this difficult stage of the season with the club in a precarious league position.
“I am now 69 and have suffered some health issues in recent months which have made the task of combining my duties as Chairman with other business and personal interests while living in Milton Keynes unsustainable.
“There is no reason other than that for my decision to stand down and I hope that the club’s shareholders and supporters will give their full support to the board of directors as it embarks upon the process of appointing a new chairman while steering the club away from relegation. I wish Lee Clark, his backroom staff and the players the best of luck in the weeks ahead. Everyone at the club is fully focussed on the task at hand and determined to succeed.
“I have enjoyed working with the club’s directors and staff, from all of whom I have received full support and unstinting loyalty. I leave the club in good hands.”