Mr Chestnutt is member of the Risk and Sustainability Committee. Roy has more than 30 years of direct telecommunications experience. Most recently he was Executive Vice President, Chief Strategy Officer for Verizon Communications and has held leadership positions with other firms including Motorola, Grande Communications, Sprint-Nextel and AirTouch. Roy's last six years with Verizon included almost five as head of strategy responsible for the development and implementation of Verizon's overall corporate strategy, including business development, joint ventures, strategic investments, acquisitions and divestitures. Roy has been a Director for international industry association GSMA and is a former chair of the Chief Strategy Officers Group including 25 global strategists from the wireless carriers. Other listed company directorships (past three years) include Director, Digital Turbine Inc (from 2018). He was Director of Intelsat (2022-2025). Board of Advisors, Accenture Luminary (2021-2025). He is Senior advisor, Alvarez & Marsal (from July 2025) and Tillman Global Holdings LLC. Board Advisor, LotusFlare (from 2019).