S4 Team
Simply the BESS
Our Team
Bart Rijnvis
Project & Commissioning Engineer
Carlein Maka
Project Developer
Charlotte Kootstra
Chief of Staff | Director of People & Communications
Ciaran Power
Chief Executive Office
Daan Simmelink
Data Analyst & Project Design
Femke de Vries
Chief Financial Officer
Friso Huizinga
Head of Development
Geert van Vianen
Project Manager
Georg van den Berg
Director of New tech & Data Centres
Gerrit de Hoop
Partnerships & Land Agent
Gijs van Heemstra
Project Acquisition Manager
Hanno van Maanen
Project Manager
James Dunlop
Director of Strategy & Development
Jasper Tersteeg
O&M Manager
Jeroen Kroese
Construction & Site Manager
Koen Broess
Director of Contracting & Regulatory Affairs
Lisa Elzinga
Public Relations & Markets
Marius Schaaps
Director of Project Acquisitions
Mark de Waal
Investment Associate
Marnick van de Zande
Grid Specialist
Nithin Viswanathan
Senior Systems Control Engineer
Oscar Keet
Senior Project Developer
Patrick Saat
Grid Compliance Officer
Paul Bosman
Chief Operations Officer
Redmar Damsma
Legal Counsel
Rob Beckers
EPC Manager NL/DE
Ronald 't Jong
Partnerships & Land Agent
Sjoerd Verduijn
Procurement Manager
Tania Fieresteanu
Financial Administrator
Thomas van den Brand
Project Developer
Yigen Huang
Technical Asset Manager
Yulia Grebennik
Group Financial Controller
