Matthew Shearing is a private sector consultant working globally in partnership with the public, private and not-for-profit sectors on improving official statistics and other data systems, Monitoring and Evaluation, and embedding official statistics standards in wider international development. David Stern is a Mathematical Scientist and Educator. He is a former lecturer in the School of Mathematics, Statistics and Actuarial Sciences at Maseno University in Kenya and a founding board member of African Maths Initiative (AMI).