Ciarán Humphreys joined the Institute for Climate Economics (I4CE) in 2023, as part of their  EU programme. Based in Berlin, he works as a research fellow/project manager on EU climate investment and cleantech, particularly on how to mobilise European financial instruments to accelerate the development and deployment of innovative green technologies across the EU. 

In his previous role, Ciarán worked at a climate change think tank E3G as a senior researcher, working on the Fit for 55 package and greening the EU fiscal rules.

Ciarán graduated with a Masters in European Public Policy from the London School of Economics (LSE).