
Waiting for water in Ethiopia © Aleksandr Hunta / Shutterstock
Improving water security for the poor
David is a physician, communicable disease epidemiologist and zoologist. He has expertise in domestic water supply and public health, including the landscape epidemiology of water-related disease, taxonomy and functional classification of small water bodies, and health hazards of water storage.

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Kelly Ann Naylor, Associate Director, Water, Sanitation and Hygiene (WASH) Section, Programme Division, UNICEF
'Our partnership with REACH recognises science has a critical role in designing and delivering effective policy and improving practice on the ground.'