Mathias Hallosserie in

Mathias Hallosserie

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Europe CISO at CHANEL
📍 France

Mathias Hallosserie is the Europe CISO for Chanel, leveraging extensive experience in cybersecurity and IT infrastructure. His career includes leadership roles at Carrefour and IDEMIA, where he managed critical security departments like SecOps, vulnerability management, and security architecture. He holds a BAC+5 degree in computer science from Epitech.

He has participated as a speaker at cybersecurity conferences, sharing his insights on evolving security strategies and the role of the CISO.

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Experience
23 Years
Current Role
Europe CISO
Location
France
Personality Overview

How Mathias shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Mathias cares about

Cybersecurity Strategy
As a CISO for major corporations like Chanel and Carrefour, his primary focus is on defining and executing comprehensive security strategies.
Security Operations
He directly managed the SecOps department at Carrefour, indicating a deep interest in the operational aspects of cybersecurity defense.
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Career

Work history

5-2022
Europe CISO
CHANEL
9-2018 - 5-2022
RSSI infrastructure et operations
Carrefour
12-2015 - 9-2018
Head of Applications and Infrastructure & CISO
IDEMIA
9-2014 - 12-2015
CTO
GEODIS
11-2010 - 9-2014
CIO Office
GEODIS
In the press

Media appearances

Mathias Hallosserie - Europe CISO at CHANEL - The Org. Featured in The Org
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Education
2001 - 2005
BAC+5
Epitech (Epita Dpt)
2004 - 2004
BAC+4
IFIP
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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