Knox has resigned because her husband is seriously ill
Kirstine Knox, chief executive of the Motor Neurone Disease Association, has resigned because her husband is seriously ill.
Knox, who has not been at work since late last year, has been chief executive of the charity since 2005.
Alasdair McLeish, the charity’s director of finance, will continue as acting chief executive while a permanent successor is recruited.
Mark Todd, chair of the MNDA, said: "Kirstine has concluded that she is unable to continue as chief executive and I am sad to report that she has tendered her resignation."
He said Knox had made an "extraordinary contribution to the development of the association" during her time as chief executive.
"Under her leadership, the association’s income, reach and ambition have grown immensely, and we have doubled our annual spend on care and research," he said.