‘Celia Greaves is founder and CEO of the Hydrogen Energy Association (formerly the UK Hydrogen and Fuel Cell Association).  She has lead the Association and its predecessors for over 15 years, and has been instrumental in its growth to be the largest and longest running pan-UK hydrogen grouping. Other hydrogen and fuel cell work has included managing hydrogen and fuel cell activities within the UK Knowledge Transfer Network for over 5 years and contributing to a number of reports for the US Electric Power Research Institute.  Celia’s earlier career included roles with the Centre for Exploitation of Science and Technology and Mott MacDonald.’