Hydro International and are published by:

Geomares Publishing
P.O. Box 112, 8530 AC Lemmer
Vuurtorenweg 18 B, 8531 HJ Lemmer
The Netherlands

Tel: +31 (0) 514 56 18 54
Fax: +31 (0) 514 56 38 98

Contact Details

Durk Haarsma
Publishing Director 

Durk Haarsma

Joost Boers
Editorial Manager

Wim van Wegen

Sybout Wijma
Key Account Manager

Sybout Wijma - Account Manager

Geart van Assen
Online Marketer  

Geart van Assen - Online Marketer

Hydro International is the leading worldwide magazine focussing on hydrography. We are committed to providing the best media platforms to deliver your marketing message to hydrographic professionals worldwide! Please contact Key Account Manager Sybout Wijma or visit our media planning page here.

Sybout WijmaContact information
Sybout Wijma
+31 (0)514 561854


Hydro international offers professionals the opportunity to contribute to any forthcoming issue in a practical and informative way, taking the editorial theme into account.

If you want to contribute, please contact Joost Boers, Editorial Manager of Hydro International.

Photo of Joost BoersContact information
Joost Boers
+31 (0)514 561854


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