Last checked at 
(Alliance News) - The following is a round-up of London-listed company director and manager changes announced on Thursday and not separately reported by Alliance News:
----------
Cornerstone FS PLC - London-based payments provider - Non-Executive Chair Elliott Mannis will retire from the board from August 31, and Non-Executive Director Gareth Edwards will step into the role.
----------
Intercede Group PLC - cybersecurity software firm with offices in Virginia, US and Leicestershire, England - Names Royston Hoggarth as new chair, succeeding Chuck Pol, who leaves the role after four-year tenure with immediate effect. Hoggarth is a non-executive director of Intercede. Pol will remain a non-executive director.
----------
SDI Group PLC - Cambridge-based medical technology firm - Hires former chief financial officer of FTSE 250-listed Ultra Electronics Holding PLC Ami Sharma as new CFO. Sharma will succeed Jon Abell upon his retirement on August 8. Abell will assist in the handover until the end of September. Sharma's commercial experience spans international manufacturing, aerospace and defence.
----------
Thor Mining PLC - London-based exploration and development company focused on Australia - Non-Executive Chair Mark Potter to step down with immediate effect "for personal reasons". Alastair Clayton, non-executive director at the company, will take on the role of interim non-executive chair until the appointment of a replacement. Clayton is currently executive director at Artemis Resources.
----------
Seplat Energy PLC - Lagos-based energy company focused on Nigeria - Appoints Samson Chibogwu Ezugworie as chief operating officer. Ezugworie has 30 years of industry experience, with the most recent 25 years spent at Royal Dutch Shell in Nigeria and overseas.
----------
By Elizabeth Winter; elizabethwinter@alliancenews.com
Copyright 2022 Alliance News Limited. All Rights Reserved.
