Jonson has been Chairman of Ofwat since November 2012. He has played a strong part in the work to bring the water sector back to a core customer and public service focus, while retaining an attractive proposition for investors. He has a background as CEO and Chairman in regulated and commercial infrastructure, with a focus on turnarounds and restructuring.
After an early career with Royal Dutch/Shell Group, Jonson served as Managing Director of Yorkshire Water (1996-2000) to lead the company out of a significant crisis with its customers and restore YW’s top-ranking status in the industry. After other infrastructure roles, he returned to the water sector for over six years, 2004 – 2010, as Group CEO at troubled AWG plc. He led the successful turnarounds of underperforming Anglian Water Services, Morrison plc and Anglian Water International, recovering the Group from the multiple business difficulties it faced.
Jonson led the restructuring of UK Coal plc as Executive Chairman, (2010 to 2012) to bring a managed ‘soft close’ to coalmining in the UK. He secured the value in UKC’s property development business for the miners’ pension funds and the PPF, leading the creation and listing of Harworth plc. He served as inaugural Chairman from 2012 to 2018. He joined Cory Group, owner of the UKs largest waste-to-energy plant, as Chairman when lenders took control in 2015 and led the board though the recovery and successful sale to infrastructure funds in 2018. He serves on the global policy council of I Squared Capital and is an NED at Energia, the Irish energy group, and Ovo, the UK energy retailer.