Mr Sherriff, with a 44-year career, served as CEO of New Zealand's 2degrees from August 2013, previously holding the position of Chairman for 4 years. He retired in June 2019 and resigned from the 2degrees Board in June 2022. He began his career with British Telecom and worked in 20 countries for various Telcos, progressing from a technician to senior management as the Head of Operations for the Hong Kong operator, Smartone. In 1997 he became CTO at Westen Wireless before being seconded as CEO of Meteor, Ireland's third entrant mobile operator, where he competed against Vodafone and O2. Additionally, Stewart held roles at Trilogy International Partners, overseeing operations in multiple countries. Before chairing 2degrees, he chaired Vega Slovenia, served as Vice Chairman of Telering Austria, and served on the Boards of Vipnet Croatia, Voila Haiti, Neuvatel Bolivia, and jNetX USA. He is member of People and Culture Committee.