Former Chief Executive Officer, Global Innovation Fund, a hybrid investment vehicle that makes debt, equity, and grant investments to accelerate evidence-based innovation that improves the lives of poor people. Some 20 years of experience advancing the agenda of evidence-based aid and international development as investor, social entrepreneur and innovator. Has worked at the intersection of the evidence and innovation agendas. The first employee and Executive Director at Evidence Action, a non-profit that develops service delivery models to scale evidence-based programmes; catalysed school-based deworming for hundreds of millions of children around the world and safe drinking water for millions of people in four countries. Launched Evidence Action Beta, an incubator for innovations in development. Has also advocated for evidence-based philanthropy at the Bill & Melinda Gates Foundation and Google.org, Began career in management consulting and was a member of the faculty of the Agricultural and Resource Economics Department at University of California, Berkeley. Has published in Science, Proceedings of the National Academy of Sciences, the Quarterly Journal of Economics, and elsewhere. Former Member, Board of Directors, Innovations for Poverty Action, the International Initiative for Impact Evaluation, and Evidence Action. PhD in Public Policy. World Economic Forum Young Global Leader.