Fabian Guenther in

Fabian Guenther

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Senior Lead - IT Governance, Risk and Compliance at On
📍 Zurich, Zurich, Switzerland

Fabian Guenther is a Senior Lead in IT Governance, Risk, and Compliance at On, with nearly 20 years of experience in the IT sector. He is a CISSP-certified specialist in security frameworks like ISO 27001 and vendor risk management, having worked across automotive, logistics, and technology industries.

During his time at Mercedes-Benz, Fabian led the first Windows 10 rollout in Europe, showcasing his ability to manage large-scale, complex technology projects.

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Experience
18 Years
Current Role
Senior Lead - IT Governance, Risk and Compliance
Job Level
Mid-senior
Location
Zurich, Zurich, Switzerland
Personality Overview

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Communication Style
Decision Approach
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Priorities

Topics Fabian cares about

Security Architecture
As a Security Framework Architect, he focuses on implementing standards like ISO 27001 and NIST to close security gaps and pass audits.
Vendor Risk Management
His role involves executing comprehensive vendor risk assessments to secure the supply chain and ensure third-party compliance.
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Career

Work history

8-2025
Senior Lead - IT Governance, Risk and Compliance
On
12-2023 - 7-2025
Head of IT Operations and CISO
Nexxiot
1-2020 - 11-2023
Head of IT Operations and Information Security
Nexxiot
1-2019 - 12-2019
Supplier Manager IT Sales Germany & Europe
Mercedes-Benz Group AG
2-2017 - 12-2019
Head of IT Infrastructure & Operations / Deputy CIO
Mercedes-Benz Group AG
In the press

Media appearances

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Education
9-2002 - 5-2007
Diploma in Computer-Science
Hochschule für Telekommunikation Leipzig
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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