William Irwin

Policy Analyst – sustainable finance

William is a policy analyst working on Grantham Research Institute’s Investing in a Just Transition project with Nick Robins and the Initiative for Responsible Investment. He is responsible for research output in relation to the project’s work globally and on the UK.


William has a professional background as a market analyst, ESG researcher and journalist at independent consulting and research firms and in a previous role at the Grantham Research Institute.

Prior to joining the policy analysis team, he was a researcher on the Transition Pathway Initiative, an investor-backed initiative at the Grantham Research Institute that provides investors with data on the carbon performance and climate governance of the world’s largest listed companies. Previously, he worked as an expert on global fertiliser and environmental control technology markets, responsible for market analysis, forecasting and strategic consulting for corporates, financiers and governments.

William holds an MA in Philosophy from University of Bristol, and an MSc in Environment and Development, with distinction, from LSE. He started his career as a journalist at Prospect magazine, Time Inc. and editing the University of Bristol newspaper.

Commentary  4 October, 2018

Financing the transition: how investors can help make climate action inclusive

Partners from the Investing in a Just Transition project explain the arguments for an equitable low-carbon transition and report on important progress that is being made. read more »

Commentary  9 August, 2018

The just transition: the emerging agenda for Europe’s investors

2018 is turning out to be the year of the “just transition”. In December, the UN’s annual climate conference, COP24, will be held in Katowice in the heart of Silesia’s … read more »

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