STM Group Plc announced the appointment of Mr. Nigel Birrell as non-executive Chairman with immediate effect. Concurrent with this appointment, Duncan Crocker has resigned from the Board with immediate effect, as indicated in the announcement dated 4 August 2022. Mr. Birrell has served as the Chief Executive Officer of Lottoland Group since May 2014.

Lottoland is an online bet on lottery operator based in Gibraltar, which operates across multiple territories and has 16 million customers. Mr. Birrell has overseen Lottoland's geographic and product expansion into multiple markets. Prior to this, Mr. Birrell was a group director on the executive board of bwin.party digital entertainment plc (now Entain plc) the then world's leading on-line gaming business.

Prior to bwin.party, Mr. Birrell was a main board director of the FTSE 250 media group HIT Entertainment PLC. In his early career, Mr. Birrell worked as an investment banker with both Dresdner Kleinwort Benson and later Donaldson, Lufkin & Jenrette (now Credit Suisse).He holds a Bachelor of Laws (LLB) from the University of London (Queen Mary College) and is a Solicitor of the Senior Courts of England and Wales. Mr. Birrell is non-executive Chairman of Duke Royalty Limited (AIM listed) and also holds a number of other private company non-executive positions.