Who are we?
Team of proven professionals, with deep and pragmatic cyber expertise
Based in the vibrant cyber landscape of Switzerland, our founding partners brings a wealth of experience as a highly regarded cybersecurity professionals. With careers spanning major cyber consulting firms, proven cyber experience in public and private sectors, we bring a rich variety of skills and insights that enrich our team's capabilities. Our common passion in cybersecurity is to make a sustainable impact for our clients by helping their organisation become cyber-resilient.

Jean-Loup Ravinet
Founder, Partner
Jean-Loup is a seasoned cyber security leader with more than 20 years’ experience helping organisations strengthen their security posture and achieve business resilience. He specialises in designing and leading security programmes that transform clients’ cyber infrastructures in line with strategic objectives.
He holds industry-recognised certifications, including CISSP and CCSP, and is a certified Security Architect (SABSA). In addition, he is trained as an AWS and Google Cloud Security Engineer and is Zscaler Zero Trust certified. Jean-Loup also brings strong business acumen as an MBA-qualified leader, bridging the gap between technical expertise and executive priorities.

Omar Guemmi
Partner
Omar is an international leader in application security, AI governance, and data protection with more than 17 years of global experience helping organizations strengthen cyber resilience, ensure digital sovereignty, and secure cloud environments. He specialises in designing and leading security and governance programmes that align with corporate strategy, protect critical assets, and enable trusted digital transformation.
He holds industry-recognised certifications, including ISO/IEC 42001:2023 (AI Management System), ISO/IEC 27001 Lead Implementer, CISM, CISA, PMP, and AIGP, as well as Microsoft Certified Cybersecurity Architect Expert and Azure Solutions Architect. Fluent in several languages and a former Swiss Kung Fu champion, Omar combines discipline, innovation, and executive insight to bridge the gap between technology, governance, and business priorities.

Dergin Tiritoglu
Partner
Dergin is a senior security architect, with over 10 years of experience, breadth and depth of technical knowhow to safely deliver the business mission. Extensive technical skills and expertise gained in high-profile sectors including finance, energy, telecoms, pharmaceuticals, and public sector. Skilled in security strategy, and delivery of ‘secure by design' solutions that meet both current and future challenges across cloud, on-prem and managed platforms.
Join us
The Cybersherpas Community
Cybersherpa has developed a worldwide network of independent cyber talents, “the cybersherpas”, who join forces on project basis.
This ensures our clients get the right level of specialised support while our community grows with Cybersherpas who do what they love and are best at what they do.
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We continuously grow our community, in particular for the following domains of expertise:
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Enterprise Security Architecture
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Cyber Infrastructure Security Architecture and Engineering
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Cloud Native Security Architecture and Engineering
What is happening?
Company News
Automating Microsoft 365 Security Review for Continuous Cyber Resilience
Mar 2026
As part of a collaboration between Cybersherpa (Switzerland) and the Université libre de Bruxelles (Belgium), an internship was supervised by Omar Guemmi and carried out with Ilyas Bakhat, a ULB student, to explore new models of AI‑assisted cyber resilience applied to critical environments—particularly in the wealth management and life sciences sectors.


AI Camp event
Feb 2026
Cybersherpa (Omar Guemmi) presented at AICamp Geneva a practical view and use cases on AI Compliance by Design, highlighting why (and how) governance, accountability, and trust need to be embedded from the start.
A stimulating discussion at the intersection of innovation, scale, and compliance.


Omar Guemmi joining Cybersherpa
Aout 2025
Omar Guemmi joins Cybersherpa as a Partner, bringing his expertise in Governance & Compliance, Microsoft security, Application security and Data protection. Welcome Omar!
New Point of view paper published
May 2025
Cybersehrpa published, in collaboration with Artes Juris a PoV on cloud security and sovereignty in EU and Switzerland


Partnership with DuoKey
February 2025
Cybersherpa has partnered with DuoKey to unlock cloud & AI security and sovereignty !
Partnership with Palo Alto
January 2025
Cybersherpa is very pleased to announce a partnership with Palo Alto with a specialisation on Prisma Cloud and AI SPM
Selected by the >_Trust Village
March 2024
Cybersherpa has been selected to join the Trust Village in Lausanne, an incubator of cyber and trust companies in Switzerland. The move will be effective by March 15th. Our head office remains unchanged.

TrendMicro is now a partner!
February 2024
Cybersherpa is very pleased to announce a partnership with Trend Micro and is now an authorised reseller of Trend Micro products and services.
Zero Trust event in Geneva
September 2024
Cybersherpa hosts a successful event at the Geneva Trust Village with its partners: Zscaler, Ducksify (Panop) and e3.
Cybersherpa partners with Panop for Attack Surface Management
June 2024
Cybersherpa accelerates its Zero Trust assessments with Panop, an innovative solution to detect and remediate the cyber attack surface
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Cybersherpa launches Cloud Security Assurance
June 2024
Cybersherpa extends its services to cloud with combining its cloud security specialists and AI powered tooling to establish a diagnostic of clients' cloud security posture and provide actionable recommendations.
Zscaler is now a partner!
February 2024
Cybersherpa is very pleased to announce a partnership with Zscaler and is now an authorised reseller of Zscaler products and services in EMEA.
Cybersherpa is registered
December 2023
Cybersherpa is registered as a Sàrl in Lausanne.
