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Christopher McGahey has worked professionally in 25 countries since completing his Ph.D. at The Johns Hopkins University, Department of Geography and Environmental Engineering in 1994 where he studied public health engineering, analysing the mechanisms of virus removal from water by microporous membrane filters.

He specialises in bridging programmatic challenges between experts in WASH, engineering, public health, social science, and governance as part of a systems approach to water and sanitation service delivery.

Dr McGahey’s recent portfolio has focused on improving service delivery and associated business planning, market-based sanitation, and targeting improved services toward populations at risk of malnutrition and stunting. Since 2013, he has his own independent consultancy, Hillaria International, and has been collaborating with multiple clients including the U.K. Royal Academy of Engineering, IMA World Health, Millennium Challenge Corporation/University Research Corporation, Management Sciences for Health, Tetratech, IRC WASH, Aguaconsult, Plan International, Safe Water Network, World Bank, and the World Wildlife Fund. He is currently based in Italy but maintains his 30-year network of sectoral colleagues across the USA and Europe.