The Aquaya team combines experience in applied research,
technology development, and business management.

Ranjiv Khush

Co-founder and Executive Director

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Ranjiv guides Aquaya’s development as a leading research and consulting organization dedicated to effective water quality management in developing countries. Ranjiv brings a science and technology-focused approach to Aquaya that builds on extensive basic research and policy experience. Ranjiv co-founded Aquaya in 2005 following a Fellowship with the Office of the Science and Technology Advisor to the U.S. Secretary of State. Previously he was a research scientist at Stanford University and the Centre National de la Recherche Scientifique in Paris, France.

Ranjiv holds a PhD degree from the University of California, Santa Cruz and MS and BS degrees from the University of California, Davis.


Rachel Peletz

Director of Programs

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Rachel studies policies and practices that promote effective water quality monitoring and management. Previously, Rachel was a Research Fellow and Doctoral student at the London School of Hygiene and Tropical Medicine. She has also worked as an International Technical Advisor for the Centre for Affordable Water and Sanitation Technology (CAWST) in Canada and studied ecological sanitation in India, ceramic filters in Ghana, and ultra-violet water disinfection in Haiti.

Rachel has a PhD degree from the London School of Tropical Medicine and Hygiene, a Masters of Engineering degree from the Massachusetts Institute of Technology (MIT) and a BS degree in Environmental Engineering from the University of California, Berkeley.


Jeff Albert

Co-founder and Deputy Project Director, WASHPaLS

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In September 2016 Jeff returned to Aquaya’s management team as the Deputy Chief-of-Party for the USAID-funded WASHPaLS project. From January 2015 to August 2016 Jeff was the Vice President for WASH Programs at Thrive Networks/East Meets West, where he oversaw $20M+ in WASH programming. His 15+ years of experience in water also include water reclamation and efficiency in irrigated agriculture and hydrologic cycle aspects of climate change. In addition to his time at Aquaya from 2005 to 2013, Jeff also worked on the evaluation of a $200M US-funded water/wastewater program in the Kingdom of Jordan. In 2004-05, he was a AAAS Science and Technology Fellow at the Office of the Global Change Research Program the U.S. Environmental Protection Agency, where he was awarded a Bronze Medal for his work on drinking water in response to the 2004 Indian Ocean Tsunami. From 2002 to 2004, he held a joint faculty appointment with the Center for Environmental Studies and the Department of Geological Sciences at Brown University. He was also a Visiting Scholar at Brown’s Watson Institute of International Studies during that time.

Jeff holds a PhD from Yale University and a AB degree with honors from Brown University.


Alicea Cock-Esteb

Operations Manager

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Alicea manages operational activities for Aquaya, including: human resources, travel and safety, IT, and general dissemination. In addition, she supports Aquaya’s fellowship program, AquayaLEARN. Alicea was previously based in the Nairobi office, assisting with research field team management and technology support with phone data collection and mapping. Prior to working for Aquaya, she was focused on chemical water quality in Southeast Asia, studying arsenic and other heavy metal levels in Cambodia and China. Her experience in the Peace Corps in El Salvador contributes to her excitement of working with under-served populations.

Alicea holds a Masters of Science degree in Environmental Earth System Science from Stanford University and a BA degree in Environmental Chemistry from Skidmore College.


Caroline Delaire

Senior Manager, Research & Programs

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Caroline analyzes policies and approaches for water quality monitoring, sanitation, and fecal sludge management. Previously, Caroline was a doctoral student at UC Berkeley where she studied how to improve access to safe water in West Bengal, India. Specifically, she investigated a low-cost technology to remove arsenic and bacteria from groundwater, and analyzed drivers of household behavior change in rural communities. She did her civil service in a non-profit assisting asylum seekers and illegal immigrants in Paris.

Caroline has a PhD and a MS degree in Civil and Environmental Engineering from the University of California, Berkeley, and an Engineering Diploma (BS and MS level) from the Ecole Polytechnique in France.


Morris Mwangi

Finance Manager

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Morris manages all of Aquaya’s finances, encompassing accounting, compliance, budgeting, financial reporting and analysis. Prior to Aquaya, Morris hailed from the manufacturing sector working in administration and finance & accounting departments for over 10 years. Most recently he worked at Skanem Interlabels Nairobi Ltd. where he served as a financial controller.

Morris is a Certified Public Accountant in Kenya, he attended the Catholic University of Eastern Africa where he graduated with a Bachelor of Commerce degree and is currently pursuing his MBA on a part-time basis at Kenyatta University.


Joyce Kisiangani

Research Associate 

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Joyce focuses on strengthening Aquaya’s qualitative research on water quality monitoring and management. She also contributes to quantitative research and project implementation. Previously, Joyce was a research fellow through the School for Field Studies, Boston University where she studied the health impact of the Kenyan Community Health Strategy. She has also worked as a researcher under Funzo Kenya, a USAID funded program.

Joyce holds an MPH degree from Moi University and a BSc. degree in Microbiology from Moi University in Eldoret, Kenya.

A.J. Karon

Program Associate

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A.J. works on program development and implementation for Aquaya research projects and consultancies. Previously, he worked as a research associate at The Water Institute at UNC where he collaborated with WASH implementing organizations to perform rigorous program evaluations and identify strategic opportunities for improvements. A.J. also studied environmental microbiology and has experience evaluating microbial detection methods and point of use water treatment technologies.

A.J. holds an MSPH degree in Environmental Sciences and Engineering and a BSPH degree in Environmental Health from the University of North Carolina at Chapel Hill.

Patrick Ronoh

Research Assistant

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Patrick assists Aquaya in project start-up, data cleaning, and qualitative research. He conducts literature reviews and oversees fieldwork for various research and consulting programs. Patrick is an AquayaLEARN fellow alumni, completing his fellowship in 2016, during which he extracted and cleaned qualitative data from Monitoring for Safe Water. Previously, Patrick was a Public Health Officer in Kericho County and focused on improving the sanitation conditions throughout the county by conducting Community-Led Total Sanitation.

Patrick is a registered Public Health Officer and holds as BSc in Environmental Health from Kenyatta University. He is currently undertaking his Master’s degree in Water Supply and Sanitation at Kenyatta University.

Clara MacLeod

Research Assistant

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Clara assists Aquaya with programmatic and operational activities. Previously at Aquaya as an intern, she participated in WaterCaRD analyses of institutional water testing performance and studied regulatory frameworks for water service provision in California and Africa. At the University of California, Davis, her undergraduate honors thesis focused on the effects of voluntary groundwater management on Disadvantaged Communities in California.

Clara holds a BS degree in Environmental Policy Analysis and Planning from the University of California, Davis, where she graduated with honors.


Millicent Terure

Office Manager

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Millicent handles the accounting and finance activities, administration and program support at the Nairobi offices. She has extensive experience in the oil & gas industry (locally and internationally), non-governmental organizations. and Human Resources Outsourcing services. Prior to coming to Aquaya, Millicent was a financial accountant at Stratostaff E.A. Limited. She has previous experience as an administrator & branch accountant at Dalbit Petroleum International, a finance & procurement officer at Film Aid International and an accountant at Weatherford International.

Millicent is a Certified Public Accountant in Kenya with over 7 years as a practicing accountant. In addition, she has a Bachelor of Education Degree (Economics & Business Studies) from the Kenyatta University.

Valentina Zuin | Affiliated Expert

Post-doctoral Fellow, Yale-NUS College

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Valentina is interested in improving water and sanitation services for the urban poor. Her research and work experience cover institutional development, policy development, evaluation, and project management, with a particular focus on informal sector provision, water regulation, and institutional models of service delivery for the poor. She has been involved in redefinition of institutional arrangements in the water and sanitation sector in Mozambique.

Valentina is an academic collaborator with Aquaya and is currently also working as a Post-doctoral Fellow at Yale-NUS College in Singapore. Valentina has worked in Latin America (Brazil, Ecuador, and Peru), Sub-Saharan Africa (Mozambique, Angola, Benin, and Ghana), and South Asia (India). Valentina’s experience includes working with the Water and Sanitation Program of the World Bank in Maputo, Mozambique, and as an Assistant Professor of Environmental Studies at Ashoka University in New Delhi.

Valentina has a PhD from the Emmet Interdisciplinary Program in Environment and Resources at Stanford University, a Master’s in International Development and Regional Planning from MIT, and an undergraduate degree in Public Management and International Relations from Bocconi University, in Italy.

Salim Haji

Salim Haji | Affiliated Expert

Principal, Sierranna Partners

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Since March 2005, Salim has been an independent management consultant. Prior to becoming an independent consultant, he was Senior Vice President of Strategy at MacDermid, a ~$700M global specialty chemical company based in Denver, CO. Prior to joining MacDermid in 2003, Salim was a Vice-President and Partner at Oliver Wyman (formerly SPA), a leading strategy consultancy with over 2, 500 consultants in 40 offices around the world. In 2007 Salim also founded Distributors Solutions LLC (“DSI”) to serve as a co-op purchasing organization for the ~500 independently owned and operated distributors of MillerCoors brands around the country. Between his time at Oliver Wyman and MacDermid, Salim spent a year as a Visiting Fulbright Professor at a business school in Tanzania (East Africa), where he lectured on Corporate Strategy and Economics.

Salim holds an MBA from Stanford University and a BA degree, magna cum laude, in Economics and Development Studies from Brown University, where he was elected to Phi Beta Kappa.

Joan Kones

2017-8 AquayaLEARN Fellow


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