Last checked at 
(Alliance News) - The following is a round-up of London-listed company director and manager changes announced on Wednesday and not separately reported by Alliance News:
----------
Mode Global Holdings PLC - bitcoin banking app based in London - Ryan Moore resigns immediately as chief executive officer. Mode Global provides no reason for Moore's departure but says Executive Chair Jonathan Rowland will take over the day-to-day duties of CEO. "I would like to thank Ryan for his contribution to Mode over his time as CEO. I wish him well in all his future endeavours," Rowland says.
----------
Omega Diagnostics Group PLC - Alva, Scotland-based medical diagnostics company - CEO Colin King resigns immediately, having served for six and a half years. Promotes Jag Grewal, currently managing director of the Health & Nutrition division, to CEO. Notes Grewal has 25 years' commercial experience in the fields of in vitro diagnostics, life science research and drug discovery. Additionally, Bill Rhodes resigns as non-executive director, departing at the end of February. Omega will look for a new non-executive director.
----------
M&C Saatchi PLC - London-based advertising agency - Mickey Kalifa resigns as chief financial officer for "personal reasons". A search for a replacement has begun, and Kalifa will remain for a handover and to complete the 2021 audit. Earlier this month, M&C Saatchi received a takeover approach from London-listed acquisition vehicle AdvancedAdvT Ltd, but M&C Saatchi directors have expressed scepticism about the all-share proposal.
----------
Dialight PLC - London-based industrial LED lighting - Confirms Clive Jennings as permanent CFO, having been interim CFO since May last year. Jennings, who previously served as CFO of casino operator Rank Group PLC and interim CFO of cleaning and hygiene products maker McBride PLC, had replaced Wai Kuen, who had stepped down as CFO to return to Singapore.
----------
XLMedia PLC - Henley-on-Thames-headquartered marketing firm operating in online gaming, personal finance and sports - Non-Executive Chair Christopher Bell will step down from the board after a transfer to a new chair, having served for eight years. Bell is due to become non-executive chair of Nueva Codere, a gaming operator.
----------
Go-Ahead Group PLC - Newcastle-based passenger transport company - Says recount of vote at annual general meeting held on December 21 showed that Senior Independent Director Adrian Ewer had received fewer than 50% of votes in favour of his being re-elected as a director. Therefore, Ewer, who already was scheduled to depart at the end of his nine-year term, is stepping down immediately from the board. David Blackwood, who previously was announced as the new senior independent director, will take over immediately.
----------
By Tom Waite; thomaslwaite@alliancenews.com
Copyright 2022 Alliance News Limited. All Rights Reserved.