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Geert-Jan Nijsten Email & Phone Number

Senior advisor (ground)water management at Deltares at Deltares
Location: Amsterdam, North Holland, Netherlands 10 work roles 2 schools
1 work email found @un-igrac.org LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Work email g****@un-igrac.org
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Current company
Deltares
Role
Senior advisor (ground)water management at Deltares
Location
Amsterdam, North Holland, Netherlands
Company size
982 employees

Who is Geert-Jan Nijsten? Overview

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Quick answer

Geert-Jan Nijsten is listed as Senior advisor (ground)water management at Deltares at Deltares, a company with 982 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at un-igrac.org and a matched LinkedIn profile for Geert-Jan Nijsten.

Geert-Jan Nijsten previously worked as Senior advisor (ground)water management at Deltares and Senior Researcher Groundwater at Igrac. Geert-Jan Nijsten holds Master'S Degree, Geology - Hydrogeology from Vrije Universiteit Amsterdam.

Company email context

Email format at Deltares

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{first_initial}{last}@un-igrac.org
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AeroLeads found 1 current-domain work email signal for Geert-Jan Nijsten. Compare company email patterns before reaching out.

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Profile bio

About Geert-Jan Nijsten

Geert-Jan Nijsten is a Senior advisor (ground)water management at Deltares at Deltares.

Current workplace

Geert-Jan Nijsten's current company

Company context helps verify the profile and gives searchers a useful next step.

Deltares
Deltares
Senior advisor (ground)water management at Deltares
delft, zuid-holland, netherlands
Website
deltares.nl
Employees
982
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Company profile
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10 roles

Geert-Jan Nijsten work experience

A career timeline built from the work history available for this profile.

Senior Advisor (Ground)Water Management

Current
Deltares

Utrecht En Omgeving, Nederland

Sep 2019 - Present

Senior Researcher Groundwater

Igrac

Delft - Netherlands And Global

Oct 2012 - Aug 2019

Senior Policy Advisor And Projectmanager (Ground)Water Mananagement

Provincie Utrecht

Utrecht En Omgeving, Nederland

Sep 2003 - Oct 2012

Adviseur Hydrogeologie

Grontmij Group

Alkmaar - Netherlands

Oct 1999 - Aug 2003

Hydrogeologist

Freelance Hydrogeologist

Amsterdam - Netherlands

Feb 1999 - Sep 1999

Hydrogeologist

Netherlands Institute Of Applied Geoscience -Tno

Delft - Netherlands

Apr 1998 - Dec 1998

Consultant Hydrogeology

Wellfield Consulting Services

Gaborone - Botswana

May 1996 - Sep 1997

Hydrogeologist

Freelance Hydrogeologist

Amsterdam - Netherlands

Dec 1995 - Feb 1996

Assistant Hydrogeologist

Botswana Geological Survey / Centre For Development Coorporation Services - Vu Amsterdam

Lobatse - Botswana

Feb 1994 - Jun 1995

Assistent Hydrogeoloog

Ramil Bv - Raadgevend Bureau Milieuzaken

Schiedam

Jul 1994 - Aug 1994
Team & coworkers

Colleagues at Deltares

Other employees you can reach at deltares.nl. View company contacts for 982 employees →

MV Margreet Van Marle Margreet Van Marle Colleague at Deltares Amsterdam, North Holland, Netherlands, Netherlands View → JB Jurian Beunk Jurian Beunk Colleague at Deltares Utrecht, Utrecht, Netherlands, Netherlands View → TE Tatjana E. Tatjana E. Colleague at Deltares Netherlands, Netherlands View → SJ Sanne Juch Sanne Juch Colleague at Deltares Amsterdam, North Holland, Netherlands, Netherlands View → EV Esther Van Zantvoort Esther Van Zantvoort Colleague at Deltares The Randstad, Netherlands, Netherlands View → SJ Siem Jansen Siem Jansen Colleague at Deltares Amsterdam, North Holland, Netherlands, Netherlands View → JV Joeri Van Engelen Joeri Van Engelen Colleague at Deltares The Randstad, Netherlands, Netherlands View → SR Stephan Rikkert Stephan Rikkert Colleague at Deltares The Hague, South Holland, Netherlands, Netherlands View → CR Christian Romijn Christian Romijn Colleague at Deltares The Hague, South Holland, Netherlands, Netherlands View → XZ Xuan Zhu Xuan Zhu Colleague at Deltares The Hague, South Holland, Netherlands, Netherlands View →
2 education records

Geert-Jan Nijsten education

Education record

Scholengemeenschap Sint Michiel - Geleen
FAQ

Frequently asked questions about Geert-Jan Nijsten

Quick answers generated from the profile data available on this page.

What company does Geert-Jan Nijsten work for?

Geert-Jan Nijsten works for Deltares.

What is Geert-Jan Nijsten's role at Deltares?

Geert-Jan Nijsten is listed as Senior advisor (ground)water management at Deltares at Deltares.

What is Geert-Jan Nijsten's email address?

AeroLeads has found 1 work email signal at @un-igrac.org for Geert-Jan Nijsten at Deltares.

Where is Geert-Jan Nijsten based?

Geert-Jan Nijsten is based in Amsterdam, North Holland, Netherlands while working with Deltares.

What companies has Geert-Jan Nijsten worked for?

Geert-Jan Nijsten has worked for Deltares, Igrac, Provincie Utrecht, Grontmij Group, and Freelance Hydrogeologist.

Who are Geert-Jan Nijsten's colleagues at Deltares?

Geert-Jan Nijsten's colleagues at Deltares include Margreet Van Marle, Jurian Beunk, Tatjana E., Sanne Juch, and Esther Van Zantvoort.

How can I contact Geert-Jan Nijsten?

You can use AeroLeads to view verified contact signals for Geert-Jan Nijsten at Deltares, including work email, phone, and LinkedIn data when available.

What schools did Geert-Jan Nijsten attend?

Geert-Jan Nijsten holds Master'S Degree, Geology - Hydrogeology from Vrije Universiteit Amsterdam.

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