Piers is Isle Utilities' Chairman. Isle is a technical, specialist water consultancy with offices in the UK, the Netherlands, the USA, Australia, Singapore and Abu Dhabi. Piers was previously the Managing Director for the private equity fund Global Water Development Partners (GWDP), a Blackstone portfolio company. From 2010-14 he was the Commercial Director at Thames Water, the largest of the UK water companies (serving 15 million people). Piers was responsible for all of Thames Water's non-regulated business activities. Piers also served as Interim Asset Management Director for Thames Water. Prior to joining Thames Water, Piers was Managing Director of Mouchel's Regulated Industries leading a team of 3,000 staff providing engineering consultancy and operational maintenance services in the water, energy, environment and rail sectors. He is a Board director for the IFC-backed Haiti-based water kiosk business Dlo Haiti, and is an Advisor to the Canadian water private equity fund XPV. He has a PhD in Civil Engineering.