18/11/2025

Dr. Fionnuala Costello

Dr Fionnuala Costello is Programme Director for the £1bn Net Zero Innovation Portfolio. Her responsibilities are to support innovation relevant to the DESNZ policy areas of hydrogen, bioenergy, industrial decarbonisation, greenhouse gas removals (including direct air capture) and carbon capture use and storage (CCUS). Before joining DESNZ in June 2023, she spent 15 years at Innovate UK, part of UKRI, funding innovation in businesses. She holds a degree in mechanical engineering from University College Dublin and MSc and PhD in materials science from the University of Manchester. Her early industrial career was in the steel industry before moving into public sector innovation funding.