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

Ranjiv Khush

Co-founder and Executive Director

Read Bio

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

Read Bio

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

Read Bio

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

Read Bio

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

Deputy Director of Technology and Innovation

Read Bio

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

Senior Finance Manager

Read Bio

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.

Jessica Tribbe

Research & Program Manager 

Read Bio

Jessica works on research and programs to strengthen implementation of water, sanitation, and hygiene interventions. She is interested in delivering more context-specific, community-focused policy solutions, and understanding how technology and innovation can drive access to water and sanitation for all.

Prior to joining Aquaya, Jessica was on UNICEF’s Product Innovation team, where she worked with private sector partners on new and improved products for UNICEF’s WASH programs, including improved sanitation solutions for people with disabilities in humanitarian settings, and user-friendly products to support water quality monitoring by communities and local governments. She has also worked on national-level political campaigns in the U.S., women’s rights and mHealth projects in India, and systems strengthening for Malawi’s agriculture sector.

Jessica has a BA in Diplomacy and Foreign Affairs from Miami University in Oxford, Ohio and a Masters of Public Affairs from Sciences Po in Paris, France.

Chloé Poulin

Research & Program Manager 

Read Bio

Chloé is working on data analysis and research to improve microbiological water quality. In addition, she is investigating new technologies and models which can be developed in Africa to improve water quality and water quality monitoring. Previously she was a doctoral student at Aix Marseille University where she worked on historical and current groundwater recharge in Lake Chad Basin, and interactions between surface water and groundwater.

Chloé has a PhD in Environmental Sciences from Aix Marseille University and a Master’s degree in Hydrogeology and Bachelor’s degree in Geosciences from the University of Montpellier.

Joyce Kisiangani

Research & Program Officer 

Read Bio

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

Research & Program Officer

Read Bio

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.

Katherine Marshall

Program Associate

Read Bio

Katherine supports Aquaya’s water quality monitoring and safe water management research by helping to manage program activities in Uganda. Prior to joining Aquaya, she worked on water supply projects with a focus on groundwater development and point source infrastructure. As a Peace Corps Volunteer, she helped to assess and improve non-piped water supply access in urban and rural communities of Northern Uganda. Additionally, as a Master’s student, she evaluated a low-cost technology (handpump) appropriate for accessing shallow groundwater.

Katherine has a MS degree in Engineering Science (Environmental Engineering concentration) from the University of South Florida and a BS degree in Geology from the College of Charleston.

Kara Stuart

Research & Program Officer

Read Bio

Kara works on data analysis and research across many of Aquaya’s ongoing projects. Prior to working with Aquaya, she gained experience with both centralized and decentralized wastewater treatment, working with a California wastewater treatment plant, and conducting research on various onsite waste treatment systems. Kara also has experience managing projects for disadvantaged communities in California with impaired domestic water supplies, and monitoring and reporting of farmers’ domestic and irrigation wells to State regulators.

Kara holds a MS degree in Civil and Environmental Engineering from the University of California, Davis with an emphasis in water and wastewater treatment, and a BA degree in Environmental Studies and Earth Science from the University of California, Santa Cruz.

 Millicent Terure

Office Manager

Read Bio

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.

Sale Rhodes

Research & Program Associate

Read Bio

Sale contributes to data collection and analysis for Aquaya programs looking specifically at factors that influence sustained success of sanitation interventions. She is passionate about sanitation solutions that simultaneously promote public health and ecosystem preservation. Previous research around water quality, chemicals of emerging concern, and sociopolitical barriers to clean water access emphasized her desire to engage communities and innovative technologies in localized solutions. Sale previously focused on organic waste, including biosolids and municipal compost, advocating for closed-loop wastewater treatment and composting initiatives.

Sale received her Masters of Environmental Science from Yale’s School of Forestry and Environmental Studies and has a BA in Biology and Environmental Studies from Colgate University.

Gaspard Durieux

Program Associate

Read Bio

Gaspard supports Aquaya to ensure that the Monitoring for Safe Water (MfSW) research and implementation program in Ghana, Uganda, and Burkina Faso achieves its goals. Gaspard works in close collaboration with Aquaya’s local staff and partners to launch and manage MfSW activities in the field and expand the program outputs. Prior to joining Aquaya, he worked on developing and deploying water sensing technologies in the fields and initiated community-based water monitoring systems in Brazil, Canada and India.

Gaspard has an MS degree in Hydrology, Hydrogeology and Water Management from AgroParisTech School of Engineering, and a joint MS degree in International Business from SciencesPo Paris and Fundação Getúlio Vargas São Paulo.

Clara MacLeod

Research Assistant

Read Bio

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.

Joan Kones

Research Assistant

Read Bio

Joan supports research programs by coordinating fieldwork, developing survey tools, recruiting and training field staff, and assisting with data management. She also supports desk reviews, data analysis and report writing. Prior to completing her AquayaLEARN fellowship, Joan worked at IDinsight as a Senior Field Officer for a sanitation and nutrition project in Kitui County, Kenya. She has also worked for Amref Health Africa, FINISH INK Project, and Save the Children International.

Joan has a Master’s degree in Public Health, Epidemiology and Disease Control from Kenyatta University and a Bachelor’s degree in Environmental Health from Moi University, Faculty of Health Sciences.

Edinah Samuel

Research Assistant

Read Bio

Edinah supports the research programs through both qualitative and quantitative data collection, desk reviews, data management, and data analysis. Edinah started at Aquaya as an AquayaLEARN fellow in 2018. Prior to joining Aquaya, Edinah was a Research Fellow at the Swiss Federal Institute of Aquatic Science and Technology (Eawag) under the Eawag Partnership Program for Developing Countries. Her master thesis is contributing to the Eawag Environmental Social Sciences Department as part of the Sustainability Transitions of Sanitation Regimes in Urban Africa (SuSARA project) in Nairobi, Kenya.

Edinah is currently finalizing her Master’s degree in Environmental Planning and Management at Kenyatta University. She has a Bachelor’s degree in Environmental Science from Egerton University.

Brian Mwangi

Research Assistant

Read Bio

Brian supports research programs by developing data analytic applications, which help drive faster and informed decision making. He is also involved in field work activities such as conducting interviews and focused group discussions, data management, data analysis and report writing. Brian is passionate about turning data into actionable insights and believes the future belongs to people and companies that turn data into products.

Brian holds a Bachelor’s Degree in Mathematics and Computer Science (Applied Math Option) from the Multimedia University of Kenya.

Valentina Zuin | Affiliated Expert

Professor, Yale-NUS College

Read Bio

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

Read Bio

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.

Aquaya has studied and optimized water quality testing strategies in low-resource settings for over 10 years. We are happy to provide insights to help your organization develop or improve a monitoring program. Please reach out by contacting us.

Connect With Us