Mathieu Gatsonides
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Mathieu Gatsonides Email & Phone Number

Cyber Security Consultant at EY
Location: The Randstad, Netherlands, Netherlands 5 work roles 1 school
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
EY
Role
Cyber Security Consultant
Location
The Randstad, Netherlands, Netherlands
Company size
371494 employees

Who is Mathieu Gatsonides? Overview

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Quick answer

Mathieu Gatsonides is listed as Cyber Security Consultant at EY, a company with 371494 employees, based in The Randstad, Netherlands, Netherlands. AeroLeads shows a matched LinkedIn profile for Mathieu Gatsonides.

Mathieu Gatsonides previously worked as Penetration Tester at Dongit and Stagiair Cyber Security at Fourit. Mathieu Gatsonides studied at De Haagse Hogeschool / The Hague University Of Applied Sciences.

Company email context

Email format at EY

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EY

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Profile bio

About Mathieu Gatsonides

As an ethical hacker, I’m passionate about helping organizations strengthen their digital security. I enjoy finding vulnerabilities and staying a step ahead of potential threats. I’m always learning and pushing my skills further in cybersecurity. Currently, I’m pursuing my CRTP certification to deepen my expertise in red teaming and pentesting.

Current workplace

Mathieu Gatsonides's current company

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EY
Ey
Cyber Security Consultant
Amsterdam, NH, NL
Website
ey.com
Employees
371494
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Company profile
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5 roles

Mathieu Gatsonides work experience

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

Cyber Security Consultant

Ey

Amsterdam, NH, NL

Penetration Tester

Current
Dongit

Leiden, South Holland, Netherlands

Jul 2023 - Present

Stagiair Cyber Security

Fourit

Tijdens deze stage heb ik de technische beveiligingsmaatregelen getest van een beheeromgeving.

Feb 2022 - Nov 2022

Blockchain Developer (Student Assistant)

Koios

Den Haag, Zuid-Holland, Nederland

Na het afronden van de minor Blockchain & Cryptocurrencies ben ik gaan werken bij Koios. Hier heb ik meegeholpen met het bouwen van een decentraal open-source educatie platform.Tijdens dit werk heb ik gewerkt met de volgende Techstack:Solidity (Ethereum EVM)JavascriptTypescriptReactNode.jsIPFS

Apr 2020 - Feb 2022
Team & coworkers

Colleagues at EY

Other employees you can reach at ey.com. View company contacts for 371494 employees →

YF Yinxian Feng Yinxian Feng Colleague at Ey Hong Kong SAR, Hong Kong View → OH Ones Hizi Ones Hizi Colleague at Ey Tunisia, Tunisia View → NG Nikitha Gopal Nikitha Gopal Colleague at Ey Bengaluru, Karnataka, India, India View → CC C. Crystal Enekwa C. Crystal Enekwa Colleague at Ey Atlanta, Georgia, United States, United States View → GO Gerasimos Oikonomopoulos Gerasimos Oikonomopoulos Colleague at Ey Glifádha, Attiki, Greece, Greece View → RA Rafaella Azevedo Rafaella Azevedo Colleague at Ey Recife, Pernambuco, Brazil, Brazil View → PG Pooja Gautam Pooja Gautam Colleague at Ey Bengaluru, Karnataka, India, India View → SY Sumeet Yekhande Sumeet Yekhande Colleague at Ey Pune, Maharashtra, India, India View → SK Sai Kalyan Kunapareddy Sai Kalyan Kunapareddy Colleague at Ey Bengaluru, Karnataka, India, India View → VF Virginia Fernández Virginia Fernández Colleague at Ey San Rafael, Mendoza, Argentina, Argentina View →
1 education record

Mathieu Gatsonides education

FAQ

Frequently asked questions about Mathieu Gatsonides

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

What company does Mathieu Gatsonides work for?

Mathieu Gatsonides works for EY.

What is Mathieu Gatsonides's role at EY?

Mathieu Gatsonides is listed as Cyber Security Consultant at EY.

Where is Mathieu Gatsonides based?

Mathieu Gatsonides is based in The Randstad, Netherlands, Netherlands while working with EY.

What companies has Mathieu Gatsonides worked for?

Mathieu Gatsonides has worked for Ey, Dongit, Fourit, Koios, and Vomar Voordeelmarkt B.V..

Who are Mathieu Gatsonides's colleagues at EY?

Mathieu Gatsonides's colleagues at EY include Yinxian Feng, Ones Hizi, Nikitha Gopal, C. Crystal Enekwa, and Gerasimos Oikonomopoulos.

How can I contact Mathieu Gatsonides?

You can use AeroLeads to view verified contact signals for Mathieu Gatsonides at EY, including work email, phone, and LinkedIn data when available.

What schools did Mathieu Gatsonides attend?

Mathieu Gatsonides studied at De Haagse Hogeschool / The Hague University Of Applied Sciences.

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