Commencing 2020, Gerjan has been a contracted consultant for ECW-energy, also in the Netherlands, as and when his services are required
Currently, Gerjan Hazelaar is a contracted consultant for HVC geothermal energy, the Netherlands
Commencing 2020, Gerjan has been a contracted consultant for ECW-energy, also in the Netherlands, as and when his services are required
Currently, Gerjan Hazelaar is a contracted consultant for HVC geothermal energy, the Netherlands