Hannah leads the economic justice policy team working on Oxfam's flagship GROW campaign, which is calling for food justice in a resource-constrained world with a focus on sustainable agriculture, land and water resource constraints, food prices and climate change. Hannah manages the strategic policy direction of the GROW campaign within Oxfam GB, and is repsonsible for ensuring that GROW advocacy results in concrete policy change that improves the lives of poor people globally.

Prior to joining Oxfam, Hannah was the deputy director at Stakeholder Forum, an international NGO working on sustainable development and stakeholder engagement, where she founded the Water and Climate Coalition - a global advocacy group raising awareness of the impacts of climate change on water resources - as well as pioneering the 'Global Transition 2012' initaitive with the new economics foundation towards the UN Conference on Sustainable Development or 'Rio+20' in June 2012.

Hannah has also worked extensively on global governance reform issues, and recently published the 'Pocket Guide to Sustainable Development Goverance' with the Commonwealth Secretariat. Hannah graduated from Wadham College, University of Oxford, in 2005.