Lief Doerring is a senior international development expert, leader, and portfolio manager with more than 20 years of experience working in Africa, Asia, the Middle East, and the Pacific. He brings proven expertise in the design, implementation, and management of development donor-funded projects, including in water, sanitation, and hygiene; value chain development; livelihoods; competitiveness; enterprise development; access to finance; and business development services. At DAI, he manages a portfolio of initiatives and projects in the water, sanitation, and hygiene (WASH) sector, funded by the U.S. Agency for International Development and other donors. He leads efforts to maintain and build DAI’s position as a leading provider of technical assistance in the WASH sector with particular emphasis on using a local systems approach that is market-led, pro-poor, technically appropriate, and cost-effective. In addition, he is an adjunct professor at the School for International Public Affairs (SIPA) at Columbia University in New York.



Nabil Chemaly

Nabil Chemaly is a senior water, sanitation, and hygiene (WASH) development expert with more than 15 years of experience working in Africa and the Middle East.

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