A row of blue steel pipes and valves at a water treatment plant, under a bright sky.

Meet our team

For over two decades, our team has worked at the intersection of finance and water.

Management team

MT & LT
Ms. Josien Sluijs
Managing Director
MT & LT
Mr. Aarno Keijzer
Investment Lead
MT & LT
Ms. Fenneke Pak
Finance & Operations Lead

Leadership team

MT & LT
Ms. Josien Sluijs
Managing Director
MT & LT
Mr. Aarno Keijzer
Investment Lead
MT & LT
Ms. Fenneke Pak
Finance & Operations Lead
LT
Ms. Nicola Haigh
Legal & Compliance
LT
Mr. Sietse Blom
Lead Partnerships & Investor Solutions
LT
Mr. Tim Evers
Impact & Knowledge Lead
LT
Mr. Jeremy Keeton
Managing Director

Market development

Ms. Marcela Perez
Programme Manager Market Development
Mr. Arnaud Alt
Transactions Manager ILF for WASH
Ms. Sarah Kalin
Programme Manager West Africa
Ms. Loes Nijkamp
Programme Manager
Ms. Annemarie Mastenbroek
ILF Technical Assistance Manager
LT
Mr. Jeremy Keeton
Managing Director
Mr. Joshua Koomans O’Reilly
Enterprise Portfolio Improvement Officer
Mr. Adriaan Ruijmschoot
Senior WASH Programme Manager

Fund Investments & Structuring

MT & LT
Mr. Aarno Keijzer
Investment Lead
Mr. Owais Shafiq
Investment Manager
Mr. Alexandre Mateus
Senior Investment Officer
Mr. Max de Vriend
Investment Officer
Mr. Daniel Moreno
Senior Investment Manager
Mr. Hzekiel Aynalem
WASH Finance Manager, Ethiopia
Mr. Leonard Obuna
WASH Finance Manager Kenya

Impact & Knowledge

Mr. Prateesh Prasad
Impact Manager
Ms. Randi Käufer
Senior Impact Officer
Ms. Lily van Bilsen
Impact Officer
LT
Mr. Tim Evers
Impact & Knowledge Lead

Partnerships & Communications

Ms. Blanca Méndez
Communications and Engagement Manager
Ms. Roosa Hakkarainen
Senior Communications Officer
LT
Mr. Sietse Blom
Lead Partnerships & Investor Solutions

Finance & Operations

Get in Contact

Join the team driving water finance forward

Reach us out for inquiries, collaborations, or just to say hello. We’re eager to connect!