The new non-exec on the board has to have something to do. Cue the comi-tragic process of how to find a new chair.

Justin King rejoins Marks & Spencer; David Lowden shifts roles following Huntsworth chairmanship; and RBS promotes Katie Murray to CFO.

Paul Polman is to leave Unilever months after a failed HQ move; and Rathbone Brothers’ FD is to take the chief role.

A shifting of chairs outlined for Derwent London; Serco non-executive Clasper to leave; and Idox brings on board plural chair Chris Stone.

June Felix named first female CEO of trading platform IG; Sensyne’s chairman quits over potential for conflict with government role; and Pendragon appoints new CFO.

Philip Jansen takes on the role of BT group CEO; Matthew Dunn tries the ASOS CFO role for size; and appScatter creates an advisory board with an international twist.

Elon Musk steps down from Tesla’s chairman role after an SEC settlement; and long-serving IG CEO Peter Hetherington leaves the board.

The revised UK Corporate Governance Code has emphasised the importance of board diversity, but there is consternation over corporate commitment to it as many firms fail to comply fully with reporting requirements.

Keith Hellawell leaves Sports Direct after a tumultuous period; founder Mike Ashley hits back at media and City for backing company performance, yet “stabbing Sports Direct in the back”.

Alibaba founder Jack Ma has revealed plans for succession, the culmination of decade-long preparation. How can other companies follow his example?