Stef has 15 years of professional experience in water management, particularly rural water supply and sanitation, in Latin America, Southern Africa and South Asia. His main areas of expertise are: rural water supply, monitoring, life-cycle costing, integrated water resources management and the multiple-use of water.

Stef holds a master’s degree in Irrigation and Water Engineering (with distinction), obtained at the Wageningen University, The Netherlands. Before that he obtained a Bachelors degree in Tropical Land Use Engineering (with distinction), also from Wageningen University.

Stef has experience with a range of clients, including development banks, bilateral donors and research funders. Currently he is working on the following assignments:

• Senior International Advisor to a project funded by the Inter-American Development Bank that is looking into intervention models for water and sanitation services in dispersed rural areas of Honduras. In this role Stef is responsible for the overall project methodology and analysis of current practices.
• Senior International Advisor to the Para Todos Por Siempre (Everyone, Forever) initiative in Honduras. As a member of the Steering Group, Stef advises on monitoring approach, research on costs of rural water and sanitation services. His work in this role is funded by the Osprey Foundation.
• As a consultant, Stef worked in 2016 on a global study on sustainable service delivery models for rural water. He was responsible for desk studies on Brazil, India and Nicaragua. This assignment was funded by the World Bank.
• Senior Programme Officer. Watershed - empowering citizens project. Responsible for policy advice and advocacy on WASH in the Dutch development cooperation. Funded by DGIS. 2016-current.
• Lead consultant. Establishing a baseline of rural water and sanitation service delivery in Latin America and the Caribbean. Funded by the Inter-American Development Bank. 2015-2016.

Stef has 15 years of professional experience in water management, particularly rural water supply and sanitation, in Latin America, Southern Africa and South Asia. His main areas of expertise are: rural water supply, monitoring, life-cycle costing, integrated water resources management and the multiple-use of water.

Stef holds a master’s degree in Irrigation and Water Engineering (with distinction), obtained at the Wageningen University, The Netherlands. Before that he obtained a Bachelors degree in Tropical Land Use Engineering (with distinction), also from Wageningen University.

Stef has experience with a range of clients, including development banks, bilateral donors and research funders. Currently he is working on the following assignments:

• Senior International Advisor to a project funded by the Inter-American Development Bank that is looking into intervention models for water and sanitation services in dispersed rural areas of Honduras. In this role Stef is responsible for the overall project methodology and analysis of current practices.
• Senior International Advisor to the Para Todos Por Siempre (Everyone, Forever) initiative in Honduras. As a member of the Steering Group, Stef advises on monitoring approach, research on costs of rural water and sanitation services. His work in this role is funded by the Osprey Foundation.
• As a consultant, Stef worked in 2016 on a global study on sustainable service delivery models for rural water. He was responsible for desk studies on Brazil, India and Nicaragua. This assignment was funded by the World Bank.
• Senior Programme Officer. Watershed - empowering citizens project. Responsible for policy advice and advocacy on WASH in the Dutch development cooperation. Funded by DGIS. 2016-current.
• Lead consultant. Establishing a baseline of rural water and sanitation service delivery in Latin America and the Caribbean. Funded by the Inter-American Development Bank. 2015-2016.