Senior Advisor (Ground)Water Management
Current
Sep 2019 - Present
AeroLeads people directory · profile
Geert-Jan Nijsten Email & Phone Number
Senior advisor (ground)water management at Deltares
at
Deltares
1 work email found
@un-igrac.org
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 86%
Current company
Role
Senior advisor (ground)water management at Deltares
Location
Amsterdam, North Holland, Netherlands
Company size
Who is Geert-Jan Nijsten? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Geert-Jan Nijsten is listed as Senior advisor (ground)water management at Deltares at Deltares, a 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
This section adds company-level context without repeating Geert-Jan Nijsten's masked contact details.
gnijsten@un-igrac.org
76% confidence
AeroLeads found 1 current-domain work email signal for Geert-Jan Nijsten. Compare company email patterns before reaching out.
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
10 roles
Geert-Jan Nijsten work experience
A career timeline built from the work history available for this profile.
Senior Researcher Groundwater
Oct 2012 - Aug 2019
Senior Policy Advisor And Projectmanager (Ground)Water Mananagement
Sep 2003 - Oct 2012
Adviseur Hydrogeologie
Oct 1999 - Aug 2003
Hydrogeologist
Freelance Hydrogeologist
Feb 1999 - Sep 1999
Hydrogeologist
Netherlands Institute Of Applied Geoscience -Tno
Apr 1998 - Dec 1998
Consultant Hydrogeology
Wellfield Consulting Services
May 1996 - Sep 1997
Hydrogeologist
Freelance Hydrogeologist
Dec 1995 - Feb 1996
Assistant Hydrogeologist
Botswana Geological Survey / Centre For Development Coorporation Services - Vu Amsterdam
Feb 1994 - Jun 1995
Assistent Hydrogeoloog
Ramil Bv - Raadgevend Bureau Milieuzaken
Jul 1994 - Aug 1994
Team & coworkers
Colleagues at Deltares
Other employees you can reach at deltares.nl. View company contacts for 982 employees →
HM
Hsoc Mathai George
Colleague at DeltaresRotterdam, South Holland, Netherlands
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MS
Maria Sklia
Colleague at DeltaresDelft, South Holland, Netherlands
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JC
J. Cornelisse
Colleague at DeltaresThe Hague, South Holland, Netherlands
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MV
Maarten Van Der Wal
Colleague at DeltaresThe Hague, South Holland, Netherlands
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ER
Erik Ruijgh
Colleague at DeltaresThe Hague, South Holland, Netherlands
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SB
Silvia Binet
Colleague at DeltaresAmsterdam, North Holland, Netherlands
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JL
John Lambert
Colleague at DeltaresNetherlands
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LV
Luuk Van Der Heijden
Colleague at DeltaresThe Randstad, Netherlands
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FG
Frits Graaf
Colleague at DeltaresThe Randstad, Netherlands
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NJ
Nicole Jong
Colleague at DeltaresAmsterdam, North Holland, Netherlands
View →
Hsoc Mathai George
Colleague at DeltaresRotterdam, South Holland, Netherlands
View →
MS
Maria Sklia
Colleague at DeltaresDelft, South Holland, Netherlands
View →
JC
J. Cornelisse
Colleague at DeltaresThe Hague, South Holland, Netherlands
View →
MV
Maarten Van Der Wal
Colleague at DeltaresThe Hague, South Holland, Netherlands
View →
ER
Erik Ruijgh
Colleague at DeltaresThe Hague, South Holland, Netherlands
View →
SB
Silvia Binet
Colleague at DeltaresAmsterdam, North Holland, Netherlands
View →
JL
John Lambert
Colleague at DeltaresNetherlands
View →
LV
Luuk Van Der Heijden
Colleague at DeltaresThe Randstad, Netherlands
View →
FG
Frits Graaf
Colleague at DeltaresThe Randstad, Netherlands
View →
NJ
Nicole Jong
Colleague at DeltaresAmsterdam, North Holland, Netherlands
View →
2 education records
Geert-Jan Nijsten education
Master'S Degree, Geology - Hydrogeology
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 Hsoc Mathai George, Maria Sklia, J. Cornelisse, Maarten Van Der Wal, and Erik Ruijgh.
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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