Our Team

iDE Staff


Timothy Prewitt, CEO

Timothy Prewitt Most recently, Mr. Prewitt acted as Managing Director for Chemonics International in Nigeria. Prior to that he was Chemonics' Director for Asia and Europe/Eurasia Divisions and head of the Private Sector Practice stationed in Washington, D.C. Mr. Prewitt has worked in more than 15 countries in Asia, Africa, and the Middle East, for the Soros Foundation, UNESCO European Center for Higher Education, the New American School Development Corporation, as well as for private equity investors in China.

Annmarie Logue, Chief Financial Officer

Annmarie Logue Annmarie brings over two decades of business experience spanning finance, strategy, marketing, partnerships and operations. She started her career with Deloitte as a certified public accountant (CPA) and then transitioned into leadership roles in the firm's consulting practice. Following Deloitte, she was VP/SVP at growth stage companies serving international markets and led teams in expanding customer reach, scaling effectively and implementing accountability metrics. In 2006, she founded a successful consulting practice serving entrepreneurial and Fortune Global 50 companies as well as government agencies. She has an MBA in social enterprise and joined iDE in 2012.

Bruce McCrae, VP, Asia

Bruce McCrae oversees iDE's programs in Nepal, Bangladesh, Cambodia and Vietnam, and also coordinates iDE's support systems for human resources, information/communication technology and legal matters. Bruce began his career with a decade as an international business attorney with the firm Oppenheimer, Wolff & Donnelly. Since then he has been involved in the international development world in both field and headquarters roles. Bruce is a U.S. national and has lived for a total of 16 years in Germany, D.R. Congo, Belgium, and Vietnam. He is a graduate of Yale University and the University of California, Berkeley (Boalt Hall).



Bob Nanes, Vice President of Technology and Innovation

Bob Nanes

Bob has been with iDE for more than twenty years, during which time he has served as Director of Training, Nepal Country Director, India Country Director, and Bangladesh Country Director. He has been Country Director in Ghana since July 2009. Prior to working with iDE, Bob started and ran an irrigation contracting business and a food marketing business and worked for several years on a 4,000 acre dry land farm. He is a graduate of Cornell University with a B.S. in Agricultural Engineering.



Carlos Urmeneta, Country Director, Honduras

Prior to joining iDE in 2009, Carlos spent five years as Supply Chain Improvement Desk in Honduras for Ecom Coffee (Sogimex, SA); was a founding member of local NGO, Alianza para la Sostenibilidad (APS); and was a recipient of the Sustainability Award from Specialty Coffee Association of the Americas (SCAA). While with Ecom, Carlos collaborated with iDE to promote low-cost supplementary drip irrigation for specialty coffees. He also served as a trainee for Ecom's Agroindustrial oilseed operation in Paraguay and Brazil in 2003. Carlos holds a degree in Global Business from the University of Mobile in Alabama.



Nadja Schaefli, Country Director, Nicaragua

Nadja Schaefli-Kraenzlin joined iDE in 2008 as a consultant to explore the idea of creating a social enterprise in Nicaragua. Since 2010 Nadja is the Country Director of iDE Nicaragua. Nadja holds a Master of Science degree in International affairs and governance of the University of St. Gallen (HSG) in Switzerland with a strong expertise in rural marketing and development. Before joining iDE Nadja worked for the Swiss Mission to the UN in New York for the UNDP team.



Laurent Stravato, Country Director, Burkina Faso

Laurent Stravato joined iDE in March 2011 as West Africa Regional Coordinator (Burkina Faso, Mali, Chad, Niger). He was previously Coordinator of the Water Quality program at FAO and Project Coordinator (Water and Sanitation) at IFAD. He has worked for a water consulting firm in Italy (SGI Studio Galli Ingenieria) and the International Water and Sanitation Centre (The Netherlands). He has also experiences with local NGOs/CBOs in Africa, Asia and Central America. His areas of expertise are in the fields of rural water supply and productive sanitation, water for food (wastewater reuse, micro irrigation), institutional development, and management of projects. He holds a Master of Geography specializing in planning and land use at the Institute of Alpine Geography in Grenoble (France) and a MA in Development Studies from the Institute of Social Studies, The Hague (The Netherlands).



Michael Roberts, Country Director, Cambodia

Michael Roberts has been with iDE since 2000 and has been Country Director of iDE Cambodia since 2002. Michael has twenty years of professional experience in water resources engineering and management of international development programs. Specific areas of expertise include private-sector development, small-scale irrigation, drinking water supply, and sanitation. International work has emphasized the integration of engineering, social, and economic considerations. Michael has a Master of Science degree in water resources engineering.



Deepak Khadka, Country Director, Bangladesh

Deepak brings over a decade plus technical and leadership experience in designing and implementing projects in Nepal focused on private sector market development, access to financial services for low income clients and a wide variety of agriculture value chain strengthening initiatives. Prior to joining iDE, he was working in Nepal as the co-founder and CEO of a not-for-profit organisation focused on improving the livelihoods of people living in the rural and remote hills of Nepal. He has worked on public health sector and social marketing with PSI, livelihoods engagement in post-conflict and emergency affected markets in Nepal through Practical Action and access to financial services in rural and remote mountains with Samriddha Pahad. He has an MBA in Marketing from Kathmandu University, School of Management.



Duncan Rhind, Country Director, Zambia

Duncan Rhind is Country Director of iDE Zambia. Zambian-born and with a background in smallholder agriculture, Duncan joined iDE in 2011. Duncan has worked in the field of international development for all his career; initially this was within crop protection and pest management and in this capacity worked extensively in Africa and Asia, working long term in Somalia, Egypt, Sudan and Mali. Much of this was spent introducing new technologies into smallholder agriculture and he worked for nine years on successive jobs introducing novel, low water volume application technologies into smallholder agriculture as part of integrated pest management systems for more efficient and safer application of pesticides.

For the past 10 years Duncan has been Business Development Director of Harewelle International, a UK-based consulting company working in development aid and for the past three years was also Managing Director of Harewelle's Zambian subsidiary, PMTC (Zambia). Duncan has a BSc in Applied Biology from University of Bath, an MSc in Insect Pest Management from the University of Southampton and an MBA from the Open University in the UK.



Quang Nguyen, Country Director, Vietnam

Mr. Quang has been with iDE for 12 years, playing a key role in IDE's rural marketing and local private sector supply chain development, along with his managerial responsibilities for programs in Vietnam. Quang's background is in engineering, with a Master's Degree in Chemistry from Russia and an M.B.A. from the USA.



Marco Machado, Country Director, Mozambique

Marco Machado

Marco Machado joined iDE in June 2011, bringing 21 years of experience as a Project Manager in several business sectors ranging from agriculture, agro industries and building materials to tourism and capacity building programs. In Mozambique, he developed strategic and action plans at the sector, provincial and development program levels; business plans and value-chain analysis. He provided technical assistance to the agribusiness sector, working with donors such as the European Union, Development Bank of South Africa, World Bank, Dutch, Italian, French and Portuguese Cooperation. While in Cape Verde, he took part in a study to identify the country's investment opportunities, being responsible for the Macro-economic characterization and diagnosis, the conception of the Strategic Plan for the industrial sector, and for three pilot projects designed to attract international investment and support.



Luke Colavito, Country Director, Nepal

Luke Colavito

Luke has over 25 years of development experience in Nepal and other countries in South Asia. He has served as the iDE Nepal Country Director since 2008. He has led implementation of the Smallholder Irrigation Market Initiative, which was highly successful, informed the design of the Feed the Future Initiative in Nepal. He has played an important role in commercializing smallholder agriculture in Nepal thru the use of commercial pockets. Luke is integrating agriculture into climate change adaptation planning including a focus on water efficiency. Luke is leading iDE Nepal’s work in developing manufacturing and supply chains for micro irrigation technologies and for multiple use water systems (MUS) in Nepal.



Laurin Banner, Country Director, Ghana

Laurin Banner

Before joining iDE as Country Director for Ghana, Laurin worked with Westnet Mid-Atlantic, LLC, a small minority owned medical supply company; he managed to take the company to profitability in two years. Prior to Westnet, he worked as a Development Officer overseeing the Agriculture Credit Enhancement Program for USAID in Afghanistan. In addition, he has also lived and worked in 10 African countries, Indonesia, Austria, and the Caribbean Islands. He holds a Master’s Degree in Urban Planning from MIT, and an MBA from Northeastern University. He was first inspired to work in international development by Operation Crossroads Africa, while serving as a volunteer in Oji River, Nigeria.



Kebede Ayele, Country Director, Ethiopia

Kebede Ayele

Kebede started an iDE pilot project in Ethiopia in March 2005 and helped it grow to a full-fledged country program with legal registration in July 2007. Kebede has 23 years of work experience with government, non-government, and bilateral organizations in different capacities (grass-roots practitioner, trainer, planning officer and manager). He holds a Bachelor's Degree in Applied Sociology, a Post Graduate Diploma in Water Supply and Sanitation, and a Masters Degree in Sustainable Agriculture and Rural Development.



Ryan Weber, Irrigation Engineer

Ryan Weber

Ryan started working with iDE in 2009 as a GIS volunteer in Ethiopia and continued as a consultant in Ethiopia and Myanmar, primarily focusing on manual well drilling, low cost irrigation methods, low pressure drip systems, and small engine pump implementation. He is currently based in Denver, CO as an irrigation and water resource specialist. Prior to iDE, Ryan worked as an engineer for the East Columbia Irrigation District which provides irrigation water to nearly 700,000 acres of land. Ryan holds a B.S. degree in Biological Engineering and an M.S. degree in Irrigation Engineering from Utah State University.



Leslie Light, Project Manager

leslie light

Leslie has worked with iDE since 2010, supporting the product and service offering. She studied Product Design engineering at Stanford, spending the subsequent 5 years developing consumer products in Pune India and the Silicon Valley. She shifted focus to entrepreneurship after obtaining an MBA at the Wharton School, advising small business owners in several continents, before joining with Deere & Company. At Deere she served in a variety of project management and strategic planning capacities.



Kevin Andrezejewski, Global Supply Chain Manager

Kevin Andrezejewski

Kevin joined iDE in January 2012 to head the organization's Global Supply initiative. He has over 8 years of experience in international Supply Chain Management, including product sourcing, logistics, procurement, and inventory management. He also has firsthand experience building socially responsible businesses and nonprofit programs in developing countries including Cameroon, Kenya, India and the Philippines. Along with a B.A. in Supply Chain Management from Michigan State University he recently completed the Global Social and Sustainable MBA program at Colorado State University.



Sarah Nuernberger, Product Development/Global Supply Specialist

Sarah Nuernberger Sarah started with iDE as an intern in March 2011 and transitioned to a formal role in July 2012. She currently works as the New Business Development and Technology Group Coordinator, based in Denver, CO. Sarah earned her BA in International Relations from Roanoke College and her MA in International Development from the University of Denver's Josef Korbel School of International Studies.

Stuart Taylor, Director, iQ

Stu holds a Master's degree in epidemiology from the University of Ottawa, where he developed a keen interest in international health. From 1998 to 2003 he worked with the Canadian Foodgrains Bank as the program analyst, with a focus on the nutritional impact of food aid and food security projects. With his family, he moved to Zambia in 2004 to serve as a volunteer with the Mennonite Central Committee. They returned to Canada in 2006, at which point he took over as Executive Director of iDE Canada. He remained in that position until 2010, when he assumed his current role.



Chris Nicoletti, Research and Evaluation Specialist

Chris Nicoletti

Chris first began working with iDE as an economics graduate student; he did his Master’s thesis on an impact evaluation of iDE Zambia’s RPI program. Before returning to iDE, he worked on impact evaluations for NORC at the University of Chicago, where he honed his expertise on the socioeconomic impacts of water development on household welfare and crop production. Chris has experience carrying out both randomized and quasi-experimental impact evaluations, as well as model-based impact estimation. He holds a BS from Linfield College in Economics and Psychology and a MS in Agricultural and Resource Economics from Colorado State University. He enjoys skiing, climbing, cycling and traveling with his wife, while residing in Boulder, Colorado.



Urs Heierli, Senior Program Consultant, Latin America

Urs Heierli

Urs has worked with iDE since 1987 when he was country director for SDC (Swiss Agency for Development and Cooperation) in Bangladesh and then in India. He is an economist and is coordinating the Latin American program and acts as liaison person to SDC and partners in Switzerland.



Blake McKinlay, Global WASH Knowledge Manager

Blake joined iDE in June 2009 as an intern and has since continued his involvement, working in both the Denver headquarters and as a volunteer with iDE Honduras. He is currently the Global WASH Knowledge Manager, based in Denver, CO. He has both his B.A. and M.A. in International Relations from the University of Denver's Josef Korbel School of International Studies.



Cordell Jacks, Global WASH Director, Cambodia

Cordell Jacks

Cordell Jacks has over 13 years of experience in consulting, launch of new ventures, and developing market initiatives. After he received his degree in business from the University of Manitoba he worked as a consultant in financial services and project management, managed social investment funds and assisted in the creation of a family-owned business. For the past 11 years, he has owned and operated his own consultancy firm specializing in project management, community economic development programs, educational curriculum development, publishing and international development. For the past three years he has managed iDE Cambodia's global water, sanitation and hygiene (WaSH) programs.



Tamara Baker

Tamara Baker

Tamara started her career in the private sector working in marketing and business strategy and has her Bachelors of Commerce (honors) from the University of Manitoba I.H. Asper School of Business. In 2009, the desire to use ‘business for good’ inspired her move to iDE to work on developing markets for clean drinking water, sanitation, and hand hygiene.



Abdi Dinka, Senior Accountant

Abdi Dinka Prior to joining iDE in August 2011, Abdi worked for the Colorado Society of Certified Public Accountants as a Senior Accountant for over 7 years. She was also with USAID – Ethiopia and Commercial Bank of Ethiopia in various accounting and finance roles. She is a Certified Public Accountant (CPA) with BA in Accounting from Addis Ababa University and an MBA in Finance from Vanderbilt University, USA.



Gayle St. John, Controller

Gayle has been in this position, based in Denver, CO, since 2005. Gayle has previously been the Finance Director for the Jared Polis Foundation and the Association of Brewers. Gayle is a graduate of Regis University with a B.A. in Business Administration and from Aims College with an AAS in Accounting.



Elizabeth Snow, Director, Business Development

Elizabeth Snow

Prior to joining iDE in 2010, Elizabeth spent seven years working in the international development field in a variety of roles, including project administration, new business development, and business intelligence. She also has two years of experience with geographic information systems (GIS). She is a graduate of Duke University and the University of Denver.



Jamie Wright, Business Development Manager

Elizabeth Snow

Jamie brings eight years of experience in international development, including four years working in sustainable agriculture in sub-Saharan Africa, six months working in microenterprise in Latin America, and several years working for nonprofits and firms in the US. Her experience includes serving as a Peace Corps volunteer with World Vision in South Africa and two years with Abt Associates in Washington DC. She has an M.P.A from Indiana University’s School of Public and Environmental Affairs and a B.A. in International Relations from Wheaton College.



Ilana Martin, Communications Manager

Ilana Martin

Prior to joining iDE, Ilana Martin received a degree in Political Science at the University of Montana, with minors in Sociology and International Development. Upon graduation, she taught English in the Republic of Georgia and backpacked through Nicaragua. After starting as an intern for iDE, Ilana leads iDE’s marketing and communications efforts. She is a Colorado native, enjoys running and traveling, and loves living close to the mountains in Golden, CO.



Andrew Romanoff, Senior Advisor

Andrew Romanoff joined iDE as a Senior Advisor in 2010. He won election to four terms in the Colorado House of Representatives, including two terms as Speaker of the House. Romanoff earned national acclaim as one of the most effective legislative leaders in America. His work was honored by more than 50 state and national organizations, including Governing Magazine, which named him in 2008 as a Public Official of the Year. Romanoff has taught in Colorado and in Central America, worked in Nigeria for the National Democratic Institute, and served as a Scholar in Residence at the University of Colorado's School of Public Affairs. Romanoff earned a Bachelor's degree with honors from Yale, a Master's in public policy from Harvard, and a Juris Doctorate from the University of Denver.



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