ABOUT The world is an interconnected ecosystem. We believe that no issue in waste management is isolated. Our multicultural team with international experience and diverse cultural perspectives inspire creativity and innovation in waste management and beyond. We embrace this connectedness and encourage learning and collaboration among our teams, clients and partners across the world. WHERE WE WORK OUR TEAM
Hanny Maas
Director WASTE Foundation 
Jan Spit
Water and sanitation adviser 
Jacqueline Barendse
Business and financial innovation specialist 
Stan Maessen
Senior sanitation adviser 
Valentin Post
Senior adviser 
Sophie van den Berg
International solid waste expert and plastic recycling adviser 
Kajetan Hetzer
Sanitation adviser 
Verele de Vreede
Urban solid waste managment expert 
Priska Prasetya
Business developer for circular economy in sanitation 
Gert de Bruijne
Senior sanitation adviser 
Henock Belete Asfaw
Water and Sanitation adviser 
Nadine Arce Haanraadts
Sanitation adviser 
Lauren Pope
Sanitation adviser 
Tjitske Leemans
Senior adviser 
Nico Terra
Interim Director
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