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Sanitation & Faecal sludge management

With over 40 years of experience, we pioneer inclusive approaches.

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Water

We develop local markets, addressing the entire sanitation value chain.

Initiating and leading dynamic programmes around the world

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Developing technical innovations to reduce costs, making safe sanitation accessible for all

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Strengthening collaboration between expert partners and key local stakeholders

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Our impact

10 M
Workdays in construction alone
1,2 M
Toilets constructed
€ 133 M
Million generated locally in 5 years by households investing in sanitation improvements
2000
Tonnes of plastic waste prevented from dumping/open burning
25,000
Tonnes of human waste converted to compost
Building blocks

WASTE experts

Professional headshot Han de groot

Han de Groot

Executive Director
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Stan Maessen

Senior Expert, Sanitation & Solid Waste Management, Member Works Council
Professional headshot Lauren Pope

Lauren Pope

Communications Manager, Member Works Council
Professional headshot Ranna abdulhadi

Ranna Abdulhadi

Junior Expert, Monitoring & Evaluation
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Jacqueline Barendse

Senior Expert, Finance
Professional headshot Carolina Latorre

Carolina Latorre Aravena

Programme Manager, Management Team (rotating)