30 Years at the forefront of energy and climate solutions
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Our executive management

Ecofys is a key player in sustainable energy solutions and climate change issues. Profound knowledge, innovation and dedication are what drive our daily work. These ambitions and skills are reflected in our Executive Management team.

Manon Janssen,
CEO

Manon Janssen, CEO (c) Ecofys

 

Kees van der Leun,
CCO

Kees van der Leun

     

Joris de Groot,
COO

Joris de Groot

 

Kornelis Blok,
Director of Science

Kornelis Blok

    

Anja de Jong,
Finance Director

Anja de Jong

CLIENT DIRECTORS:

    

Joop Oude Lohuis,
Client Director
         

Joop Oude Lohuis

 

Ria Oonk,
Client Director

Ria Oonk