Dr Bonfield has been the CEO of Malaria No More UK since December 2022.
Awarded a CBE in 2014 for her services to charity in the UK and abroad, Dr Bonfield was a co-creator and Chief Executive of The Vision Catalyst Fund and, as Chief Executive of The Queen Elizabeth Diamond Jubilee Trust, she raised over £100m and successfully implemented eye health programmes in 28 countries throughout the Commonwealth. Under Dr Bonfield’s leadership, The Diana, Princess of Wales Memorial Fund became the first investor in the Cluster Munition Coalition which, over an eighteen-month period, successfully secured an international treaty banning cluster bombs. Prior to this, Dr Bonfield developed a policy unit for the Aga Khan Foundation (UK) and represented the Aga Khan Development Network (AKDN) in Brussels, as well as working as a Programme Development Specialist for the Bernard van Leer Foundation in the Netherlands.