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.

Jenna Scalmanini

Senior Operations Manager
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Jenna oversees management of Aquaya’s operations and finances from the Larkspur office. Prior to joining Aquaya, Jenna worked as an engineer with a small consulting firm focusing on the use, protection, and management of groundwater in California. Jenna’s experience also includes projects in East Africa focusing on the effects of hand hygiene initiatives on health and compliance and the provision of increased water supply on health outcomes and poverty alleviation.

Jenna holds a Bachelors degree in Civil Engineering and a Masters degree in Environmental Science from Stanford University.

Rachel Peletz

Senior Research Manager
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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.

Emily Kumpel

Research Scientist
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Emily studies drinking water quality as well as water quality monitoring and information management with Aquaya. Previously, Emily was a doctoral student at UC Berkeley where she studied water quality in intermittent piped water systems in Karnataka, India. Additionally, she co-founded a social enterprise, NextDrop, that improves urban water management in India through ICTs. She has also studied household water treatment in Mumbai, India, and sustainability of small community water supplies.

Emily holds a PhD and MS degree in Civil and Environmental Engineering from the University of California, Berkeley, and a BS in Mechanical Engineering from Johns Hopkins University.

Mateyo Bonham

Program Officer
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Mateyo focuses on the implementation of Aquaya’s programs on water quality monitoring and management. Before joining Aquaya, Mateyo worked with John Snow, Inc. and local government partners in Zambia to strengthen HIV/AIDS commodity supply chains.  Mateyo has also conducted water supply, sanitation and hygiene research in Honduras and served with the Peace Corps in Zambia.

Mateyo holds an MPH degree from The George Washington University and a BS degree in Zoology from Miami University.

Alicea Cock-Esteb

Program Associate
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Alicea focuses on Aquaya’s program implementation in water quality monitoring and sanitation. Before joining Aquaya, Alicea conducted research on the use of well switching to prevent arsenic and manganese consumption in Cambodia and China. Alicea has also studied endemic silkworm rearing in Madagascar, worked for the National Park Service doing hydrologic monitoring, and served with the Peace Corps in El Salvador.

Alicea holds an MS degree in Environmental Earth System Science from Stanford University and a BA in Environmental Science from Skidmore College.

Eunice Kariuki

Operations Associate
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Eunice is the Office Administrator for Aquaya’s Nairobi Office. She is tasked with the administrative, logistical and data management support to the team in Kenya. Prior to joining Aquaya, Eunice worked at African Technology Policy Studies Network offering Program and Administrative support. Previously, Eunice worked at African Institute for Capacity Development, an international organization whose mandate is poverty alleviation in Africa where she worked in both Research and Administration and Finance Departments.

Eunice holds an MBA from Daystar University and a BS degree in International Business Administration from United States International University in Nairobi.

Joyce Kisiangani Picture-190

Joyce Kisiangani

Research Assistant
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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.

Annette Fay| Affiliated Expert

West Africa Consultant
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Annette represents Aquaya in West Africa and is based in Abidjan, Côte d’Ivoire. Her international water management experience includes coordinating water and sanitation-focused research projects for Cornell University in Mali and Niger, mentoring women in Ghana and Togo to develop water projects in their rural communities, and leading monitoring and evaluation of projects to increase access to water and sanitation in developing countries. Annette has also completed impact evaluations for Winrock International in Mali, lead trainings on carbon finance in Guinea, produced research on the hydroelectric Inga Dams while based in South Africa, and conducted baseline surveys for a Tostan-UNICEF-CEGA project using Rapid SMS in Sénégal.

Annette holds a Dual Degree Masters in Public Affairs from Sciences Po Paris and Columbia University’s School of International and Public Affairs and a Bachelor’s Degree in French Language and Literature from Boston College.

Len Marsh | Affiliated Expert

Consulting Chief Financial Officer
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Len advises and helps oversee Aquaya’s financial operations. In addition, he provides guidance for long-term planning, operating systems, and cash flow management. Len has a broad business and finance background, having served as the chief financial officer for several Silicon Valley start-ups. In addition, Len is a commercial real estate developer, entrepreneur and business owner. He is a frequent international traveler.

Len holds a BS and MBA from San Jose State University and is a California Real Estate Broker.

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.


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