A new team ensures since 2017 the development of the organization. Young, motivated and passionate, we saw the strategic rationale for rainwater in response to current environmental challenges. IRHA is an organization registered by Swiss law and recognized as being of public utility with UN ECOSOC status.




Han HEIJNEN - President


Jean Bernard Rebord - Treasurer


Clara Ariza - Secretary


Salvano BRICENO - Member


Bob BOULWARE - Member


Margarita Pacheco - Member




Marc Sylvestre - Executive Director of IRHA

Graduated from a Master in Urban Development (IUG, 2007) and MSc in Water and Environmental Management (WEDC-Loughborough, 2017), Marc has managed numerous development projects in Lebanon, Haiti and Nepal. He participates in the strategic and operational development of the organization (strategy 2018-2020), contributes to the development of projects and seeks funding along with the framing in terms of monitoring-evaluation-impact of the activities implemented.

> LinkedIn


Anne Marie Khetib - Head of Admin and Finance

Administrative and financial director of the World Scout Bureau (WSB) for 9 years, she holds the same responsibilities within our NGO and ensures that our organization, recognized by public utility, implements the required procedures, in terms of good governance and financial management (Swiss GAAP FER 21).

> LinkedIn


Rachel Nisbet - Communication & Outreach


IRHA Strategy 2018-2020

The IRHA's strategy for the next 3 years provides a quick overview of the organization's intervention framework, objectives and results to be achieved. The strategy clarifies the areas of intervention as well as the modus operandi of the IRHA, in order to develop, implement and evaluate interventions.

The IRHA also relies on a business plan that specifies the organization model, positioning, added value to collaborate with the IRHA.

A 3-year financing plan is also included in the strategy, to project the financing needs for the realization of this strategy.

Documents are available upon request.

> Contact


2017 Annual report - Summary

The 2017 annual report (summary) in English has been released ! 2017 has been a turning year with the change of management, the development of of 3 years strategy 2018-2020 , the repositioning of the organization, the consolidation of the partnerships and the development of new projects.

We are enthusiastic about the progress we made and we are looking forward to 2018 and 2019!

> Annual report 2017


An ecosystem of 60+ organizations


Our projects

The Blue Schools

This program aims to educate schoolchildren to the management of water, sanitation and good hygiene practices, but also the recovery of waste to make blue schools, incubators of social change "

> Read More



Construction of rainwater harvesting systems in Bhaktapur, to provide safe access todrinking water in 2 schools and 6 camps for displaced families after the 2015 earthquake.

> Read More


The Rain, the soil and the people

Climate change requires us to rethink our management methods and practices. This project aims to build community resilience by combining better management of water resources, trees and soil.

> Discover the initiative "a child, a tree"


" Unserved "

The "Unserved" project aims to provide access to clean water and restore dignity for those who have nothing, the forgotten from water services, who live on the outskirts of our cities and have to fight every day to access even water for drinking.


Workshops Water and the City

The objective of this workshop is to bring school children to become aware of their environment, and to be able to implement concrete and sustainable solutions in their city.

> Read More


In the rain ink

The aim of this "In the rain ink" project is to transform the representations of rainwater seen as a nuisance, poetically using the urban environment in which we live.

> Read More



International Rainwater Harvesting Alliance (IRHA)

International Environment House 2
Chemin de Balexert, 9
1219 Châtelaine, Geneva CH

T: +41 22 797 41 57

Make a donation


Account: 17-198970-3
IBAN: CH15 0900 0000 1719 8970 3