Ian Simm

Founder and CEO
Impax Asset Management Group plc


Ian Simm is the Founder and Chief Executive of Impax Asset Management, which today manages ca. US$45 billion and is one of the world’s leading investment managers focused on the transition to a more sustainable economy.

Outside Impax, Ian is a member of the UK government’s Net Zero Innovation Board, which provides strategic oversight of public sector funding of energy innovation programmes.

He is also a board member of the Institutional Investors Group on Climate Change and a Commissioner with the Energy Transitions Commission.  Between 2013 and 2018 he was a board member of the Natural Environment Research Council (NERC).

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