Last checked at 
LONDON (Alliance News) - Xeros Technology Group PLC said on Tuesday that Chair John Samuel has resigned from his role with immediate effect.
Samuel will be replaced by Non Executive Director David Armfield as chair on an interim basis.
Samuel has been chair for eight years since 2011, and is currently executive chair at medical devices firm Tissue Regenix Group PLC.
"On behalf of the board, I would like to thank John for his considerable contribution as chairman since the business listed in March 2014. It has progressed from early stage technology development to its current position of having multiple proprietary applications in the process of commercialisation. As he steps down in order to devote more time to his other executive and non-executive board roles - we wish him well for the future," Armfield said.
Shares in Xeros Technology were untraded on Tuesday, last quoted at 16.42 pence.
