Leading financial and environmental intermediary
Contact UsExecutive Management

Hein Siemerink
Chief Executive Officer

Tom Zydenbos
Chief Financial Officer

Mike Hatert
Energy Board Member & Managing Director Energy

Marcel Coppejans
Managing Director Interest

Pieter Aartsen
Managing Director Execution & Custody Services

Job Barth
Deputy Managing Director for Execution & Custody

Godfried Le Blanc
Deputy Managing Director for Interest

Jos van Alphen
Director Vennex & AFS E-Venues
Front Office Directors

Bas van Diggelen
Renewable Energy Certificates | Biomethane

Eda Simsek
Director of Clean Transport

Jef Geelen
Carbon Compliance | Biofuels

Paul Akass
Director Client Portal & Exchange

Sander van der Loos
Director of Trading | Energy

Andor Savelkouls
PPA & GPA | Zero Carbon Transport | Biotickets
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Martijn Renckens
Director USA Commodities

Leon van Laere
Director International Desk

Youwen Wei
Director Asia Desk

Virginia Alter
Director Public Debt

Anton Kuin
Director Middle Eastern & Asia Desk

Alex van Dijck
Director Corporate & Sovereign Desk

Arne Petimezas
Director Research

Lovro Kuspilic
Director Fixed Income

Patrick Mackay
Director Fixed Income

Jordy Schulz
Director Execution Services

Ralf Mevissen
Director Execution Services
AFS Staff HO, Directors & Leads

Marja Sterringa
Head of Legal & Compliance Group

Kamila van der Pol
Head of Legal, Compliance & Backoffice Energy

Marco Bertaccini
Director Risk & Control Group & Energy

Leander van Duijvenbode
Director Backoffice Group

Willem Scheerens
Head of People & Organsation

Ryan Rudman
Director of Marketing

Edward van Berkum
Director IT

Frank de Rijk
Director of Finance for AFS Energy

David Rugge
Director of Finance for AFS Group

Martijn van Loon
Client Portal Development

Steven Bailey
IT Infrastructure Development

Marcel Vrolijk
E-Venues & IT Development