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Bill & Melinda Gates Foundation
Authors / Biography

Doulaye Koné

Title Senior Program Officer
Organization Bill & Melinda Gates Foundation

Dr. Doulaye Koné was born in Côte d’Ivoire.  He holds a PhD and MAS in sanitary and environmental engineering; a certificate in environmental communication; MSc. and BSc in Physics and Chemistry. He is currently working as Senior Program Officer, on the Water, Sanitation & Hygiene Program (Global Development) at the Bill & Melinda Gates Foundation. In this capacity, his investment (grant making) portfolio focuses on innovation in science and technology to Reinvent the Toilet and its associated business models for sustainable sanitation service delivery.

Prior to joining the Foundation, Dr. Koné worked for the African Water Association (AfWA) as Program Coordinator Africa Water Operators Partnerships’ (WOP-Africa).  An initiative of the United Nations Secretary-General’s Advisory Board on Water and Sanitation (UNSGAB) jointly implemented in Africa by AfWA and its partners (IWA, AfDB/AWF, USAID, AQUAFED) under the Global WOPs alliance framework coordinated by UN-Habitat. In this capacity Dr. Koné was engaged in fund raising activities and deep project management to promote partnership for systematic knowledge exchange and capacity building among water and sanitation professionals to speed up progress towards the achievement of the MDGs.

Dr. Koné has more than 15 years’ experience as water and sanitation specialist in developing countries (excreta and wastewater management). Prior to AfWA, he worked as Senior Programme Officer and Group leader coordinating an international research and development portfolio at Eawag, the Swiss Federal Institute of Aquatic Science and Technology, Department of Water and Sanitation in Developing Countries (Sandec). He was lecturing at the Swiss Federal institutes of Technology, Lausanne (EPFL) and Zurich (ETHZ), and guest lecturer at the International Institute for Water and Environmental Engineering (2iE) in Burkina Faso and UNESCO-IHE (Delft). He was scientific advisor for CREPA headquarters and Latrines Togo. He worked as a research scientist in Belgium at the Department of Environmental Management (University of Liège) on natural wastewater treatment systems. These investigations continued later in Burkina Faso with 2iE, where he was involved in sanitation planning projects in West Africa, and research projects aiming at linking sanitation infrastructure development to business opportunities. Dr. Koné has authored several technical, scientific and policy publications. He has mentored several PhD and MSc students in Africa, Asia and Europe. 

Posts By Doulaye Koné

What Happened at the “Reinvent the Toilet Fair: India” and What’s Next?

We saw a tremendous amount of progress at the 2014 “Reinvent the Toilet Fair: India” we held in New Delhi last month. Just 18 months after the first fair, our partners came to New Delhi with early versions of toilets that look like real commercial products. It was amazing to see so many ideas and technologies integrated into devices that can safely collect and processes human waste.

Full Blog Post

Let’s Reinvent the Toilet (in China)

The conventional crapper has saved countless human lives, but today's flush toilet is expensive.Now, we are launching the first ever country-specific Reinvent the Toilet Challenge in China to focus some of China’s brightest minds on a global problem.

Full Blog Post


Lessons From My Father: Integrity & Caring for the Most Vulnerable

My Father was a model of integrity in our community, and very well respected for what he was achieving.

Full Blog Post


Going Beyond Fake Poop to Win the Prize: A Look at the Reinvent the Toilet Fair Winners

Now that the toilets and fake poop have vanished from the foundation’s campus, it is time to reflect on the success of the Reinvent the Toilet Fair.

Full Blog Post


Smart Toilets and Poop Games: Innovations to Help the Poor

Why reinvent the toilet? The flush toilet, as we know it, hasn’t changed much in the past 200 years. Because it’s expensive to operate, wastes precious water, and requires a sewage system, 2.5 billion people around the world don’t have access to one.

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