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John Werkman Email & Phone Number
Director Assurance
at
de Jong & Laan
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Current company
Role
Director Assurance
Location
Hardenberg, Overijssel, Netherlands
Company size
Who is John Werkman? Overview
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Quick answer
John Werkman is listed as Director Assurance at de Jong & Laan, a with 638 employees, based in Hardenberg, Overijssel, Netherlands. AeroLeads shows a matched LinkedIn profile for John Werkman.
John Werkman previously worked as Manager controle at De Jong & Laan and Controleleider at De Jong & Laan. John Werkman holds Masterclass Digital Auditing from Vrije Universiteit Amsterdam.
Company email context
Email format at de Jong & Laan
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de Jong & Laan
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Profile bio
About John Werkman
John Werkman is a Director Assurance at de Jong & Laan. He is proficient in Duits and Engels.
Current workplace
John Werkman's current company
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De Jong & Laan
8 roles
John Werkman work experience
A career timeline built from the work history available for this profile.
Manager Controle
Controleleider
Jan 2021 - Jan 2024
Senior Assistent-Accountant Controlepraktijk
Jan 2019 - Dec 2020
Assistent-Accountant Controlepraktijk
Sep 2016 - Dec 2018
Penningmeester
Stichting Melanoom
Jun 2017 - Dec 2019
Voorzitter
Stichting Emergo Hardenberg
Mar 2013 - May 2017
Penningmeester Inhouse Commissie
Jul 2015 - Jun 2016
Team & coworkers
Colleagues at de Jong & Laan
Other employees you can reach at jonglaan.nl. View company contacts for 638 employees →
MZ
Martin Zwiers
Colleague at De Jong & LaanGreater Enschede Area, Netherlands
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AB
Alex Bel
Colleague at De Jong & LaanGreater Groningen Area, Netherlands
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AD
Abigail Douglas Bsc
Colleague at De Jong & LaanErmelo, Gelderland, Netherlands
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CS
Claudia Schäffers
Colleague at De Jong & LaanErmelo, Gelderland, Netherlands
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CV
Coraly Veltink - Kleinjan
Colleague at De Jong & LaanHardenberg, Overijssel, Netherlands
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MV
Marjoleine Van De Werfhorst-Van Dooren
Colleague at De Jong & LaanNetherlands
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TS
Tim Speelman
Colleague at De Jong & LaanBorger, Drenthe, Netherlands
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MG
Marcel Gilaard
Colleague at De Jong & LaanDronten, Flevoland, Netherlands
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RB
Rick Ballast
Colleague at De Jong & LaanVriezenveen, Overijssel, Netherlands
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JS
Jordy Snippe
Colleague at De Jong & LaanHardenberg, Overijssel, Netherlands
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Martin Zwiers
Colleague at De Jong & LaanGreater Enschede Area, Netherlands
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AB
Alex Bel
Colleague at De Jong & LaanGreater Groningen Area, Netherlands
View →
AD
Abigail Douglas Bsc
Colleague at De Jong & LaanErmelo, Gelderland, Netherlands
View →
CS
Claudia Schäffers
Colleague at De Jong & LaanErmelo, Gelderland, Netherlands
View →
CV
Coraly Veltink - Kleinjan
Colleague at De Jong & LaanHardenberg, Overijssel, Netherlands
View →
MV
Marjoleine Van De Werfhorst-Van Dooren
Colleague at De Jong & LaanNetherlands
View →
TS
Tim Speelman
Colleague at De Jong & LaanBorger, Drenthe, Netherlands
View →
MG
Marcel Gilaard
Colleague at De Jong & LaanDronten, Flevoland, Netherlands
View →
RB
Rick Ballast
Colleague at De Jong & LaanVriezenveen, Overijssel, Netherlands
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JS
Jordy Snippe
Colleague at De Jong & LaanHardenberg, Overijssel, Netherlands
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5 education records
John Werkman education
Masterclass Digital Auditing
Post-Master Accountancy
Msc, Accountancy
Pre-Master Accountancy
Bachelor, Accountancy & Controlling
FAQ
Frequently asked questions about John Werkman
Quick answers generated from the profile data available on this page.
What company does John Werkman work for?
John Werkman works for de Jong & Laan.
What is John Werkman's role at de Jong & Laan?
John Werkman is listed as Director Assurance at de Jong & Laan.
Where is John Werkman based?
John Werkman is based in Hardenberg, Overijssel, Netherlands while working with de Jong & Laan.
What companies has John Werkman worked for?
John Werkman has worked for De Jong & Laan, Stichting Melanoom, Stichting Emergo Hardenberg, and Studievereniging Pro Memorie.
Who are John Werkman's colleagues at de Jong & Laan?
John Werkman's colleagues at de Jong & Laan include Martin Zwiers, Alex Bel, Abigail Douglas Bsc, Claudia Schäffers, and Coraly Veltink - Kleinjan.
How can I contact John Werkman?
You can use AeroLeads to view verified contact signals for John Werkman at de Jong & Laan, including work email, phone, and LinkedIn data when available.
What schools did John Werkman attend?
John Werkman holds Masterclass Digital Auditing from Vrije Universiteit Amsterdam.
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