David advises non-profits, social enterprises, foundations, and public sector organizations on how to assess and increase their social impact. He supports effective change-makers by helping them choose and use performance management and evaluation methods and create data that informs their strategy and operations.

David’s advice is built on more than twenty years of experience working with nonprofit and public sector organizations in the UK, the European Union, and the US, as well as education and training in economics, social research, data analysis, evaluation, and performance management.