Sebastiaan Jonker
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Sebastiaan Jonker Email & Phone Number

Projectmedewerker GRC at Belastingdienst
Location: Leiden, South Holland, Netherlands 5 work roles 2 schools
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✓ Verified Jun 2026 3 data sources Profile completeness 86%

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Current company
Role
Projectmedewerker GRC
Location
Leiden, South Holland, Netherlands
Company size

Who is Sebastiaan Jonker? Overview

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Quick answer

Sebastiaan Jonker is listed as Projectmedewerker GRC at Belastingdienst, a company with 17924 employees, based in Leiden, South Holland, Netherlands. AeroLeads shows a matched LinkedIn profile for Sebastiaan Jonker.

Sebastiaan Jonker previously worked as Adviseur bedrijfsvoering, Parlementaire Enquête Fraude en Dienstverlening at Belastingdienst and Medewerker Parlementaire Enquête Fraude en Dienstverlening at Belastingdienst. Sebastiaan Jonker holds Master, Finance And Financial Management Services from Vrije Universiteit Amsterdam.

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Email format at Belastingdienst

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Belastingdienst

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Profile bio

About Sebastiaan Jonker

Dedicated professional with a Bachelor's degree in Biology. During my minor in business, I developed a passion for Finance. I successfully transitioned to the Master Financial management by completing a pre-master's program, while working full-time for the Dutch Tax Authority. Where I am part of the team that researches the childcare benefits scandal (Toeslagen Affaire).My interests are in Banking, Corporate finance, Treasury and Risk management and Management and Control. I am currently on track to finish my MSc. in 2024.

Current workplace

Sebastiaan Jonker's current company

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Belastingdienst
Belastingdienst
Projectmedewerker GRC
Leiden, ZH, NL
Employees
17924
AeroLeads page
5 roles

Sebastiaan Jonker work experience

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Adviseur Bedrijfsvoering, Parlementaire Enquête Fraude En Dienstverlening

Current

Den Haag, Zuid-Holland, Nederland

Ik ben onderdeel van een team die relevante informatie verzamelt en beoordeelt ten behoeve van de Parlementaire Enquête Fraudebeleid en Dienstverlening.

Aug 2022 - Present

Medewerker Parlementaire Enquête Fraude En Dienstverlening

Den Haag, Zuid-Holland, Nederland

Aug 2022 - Jan 2023

Lid Faculteitsraad W&N

Leiden

De Faculteitsraad W&N is het medezeggenschapsorgaan van de faculteit Wiskunde en Natuurwetenschappen. De FR heeft als taak het Faculteitsbestuur kritisch te volgen, van advies te voorzien en mag mee beslissen over belangrijke onderwerpen.

Sep 2017 - Sep 2019
Team & coworkers

Colleagues at Belastingdienst

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2 education records

Sebastiaan Jonker education

FAQ

Frequently asked questions about Sebastiaan Jonker

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

What company does Sebastiaan Jonker work for?

Sebastiaan Jonker works for Belastingdienst.

What is Sebastiaan Jonker's role at Belastingdienst?

Sebastiaan Jonker is listed as Projectmedewerker GRC at Belastingdienst.

Where is Sebastiaan Jonker based?

Sebastiaan Jonker is based in Leiden, South Holland, Netherlands while working with Belastingdienst.

What companies has Sebastiaan Jonker worked for?

Sebastiaan Jonker has worked for Belastingdienst and Universiteit Leiden.

Who are Sebastiaan Jonker's colleagues at Belastingdienst?

Sebastiaan Jonker's colleagues at Belastingdienst include Tessa Walbrecht-Fischer, Ayaan Mohamed, Stef Posthumus, Ruud Van Duijne, and Tijmen Riekwel.

How can I contact Sebastiaan Jonker?

You can use AeroLeads to view verified contact signals for Sebastiaan Jonker at Belastingdienst, including work email, phone, and LinkedIn data when available.

What schools did Sebastiaan Jonker attend?

Sebastiaan Jonker holds Master, Finance And Financial Management Services from Vrije Universiteit Amsterdam.

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