Howard White is the Chief Executive Officer of Campbell. He was previously the founding Executive Director of the International Initiative for Impact Evaluation (3ie) and has led the impact evaluation program of the World Bank's Independent Evaluation Group.

Howard leans towards work with policy relevance and believes in academic rigor as the basis for policy and practice.

Howard has received an award from the Office of the Prime Minister in Uganda for his contribution to evaluation capacity building in Uganda, and an award from the Government of Benin for services to evaluation. There is also an annual Howard White lecture, established by 3ie six years ago in his honour.