The former Daily Mail editor says he will not take part in a re-run process to find the next chair.
Protesters had tried to have Professor Kathleen Stock sacked for her views on gender identity.
Alexander Schallenberg takes over, after his predecessor resigned amid corruption allegations. from: BBC News
Billionaire Marc Lasry steps down amid reports the US firm’s co-founder deceived potential investors. from: BBC News
Ms Kay has quit Ozy Media after reports one of its executives deceived potential investors. from: BBC News
from: BBC News Andy McDonald says Labour leader Sir Keir Starmer has made the party “more divided than ever”.
Daniel Foote called the US decision to deport Haitian migrants “inhumane”. from: BBC News
Sigrid Kaag is the first senior Western official to resign over the evacuation crisis last month. from: BBC News
Douglas Connell resigns during an investigation into donations at The Prince’s Foundation.
Rashid Khan stands down as Afghanistan T20 captain after not being included in conversations about squad selection for the World Cup. from: BBC News
Tina Tchen is second Time’s Up resignation in connection with politician accused of harassing women. from: BBC News
from: BBC News The media watchdog is the latest group to leave the workplace scheme, saying it must be impartial.
Mike Richards has stepped down as the new host of the show over comments he made on a 2013 podcast. from: BBC News
The New York governor steps down amid allegations he sexually harassed multiple women. from: BBC News