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Dr Piers Clark

Chairman and CEO, Isle Group Ltd


Piers is Chairman and CEO of the Isle Group. Isle is a technical, specialist water consultancy with offices in the UK, the Netherlands, Italy, Germany, the USA, Australia, Singapore and Abu Dhabi. Isle works with over 200 utilities around the world. 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. Prior to joining Thames Water, Piers was Managing Director for Mouchel, leading a team of 3,000 staff providing engineering consultancy and operational maintenance services in the water, energy, environment and rail sectors.

In 2006, Piers helped establish an innovative funding mechanism for technology companies, called TAG (Technology Approval Group). TAG bridges the gap between venture capital investors and the water company end-users and has resulted in over $1bn being invested in water-related cleantech companies. Piers is a board director for Modern Water plc and OzoInnovations. He has a PhD in Civil Engineering.