About Surelio
AI trust cannot be built in silos.
Governance defines the requirements. Cybersecurity challenges the system. AI engineering makes it work. AI safety examines how it behaves.
Each discipline brings an essential perspective. Yet when they operate separately, organizations face fragmented assessments, disconnected recommendations, and difficult deployment decisions.
Surelio was built to bridge that gap.
Our leadership unites expertise in cybersecurity, audit and governance, AI engineering, and AI safety. Together with engineers trained across security and safety, we connect strategic requirements with hands-on engineering and rigorous assurance.
The result: integrated expertise that turns technical evidence into actionable decisions and enables organizations to move forward with confidence.
Meet the team
Leadership
Four complementary disciplines, one leadership team. Together, we connect cybersecurity, AI engineering, governance, and AI safety to make trustworthy AI a practical reality.
Cybersecurity
Terry Vogelsang
Chief Executive Officer
CISSP- and OSCP-certified cybersecurity leader and former Head of Offensive Security EMEA at Kudelski Security. Brings extensive experience in adversarial testing and security engineering to securing AI systems and enterprise deployments.
AI engineering
Adrien O'Hana
Chief Technology Officer
EPFL-trained AI engineer and former Engineering Manager at Artefact, where he led enterprise AI projects across industries. Combines hands-on expertise in machine learning, generative AI, and production engineering to build secure, reliable AI systems.
Audit & governance
Gaetan Stein
Chief Operating Officer
Former Information Risk Management Consultant at KPMG with an MSc from HEC Lausanne. Combines expertise in technology risk, governance, and assurance to help organizations navigate the security and regulatory challenges of AI adoption.
AI safety
Prof. Andrei Kucharavy
Chief Scientific Officer
Professor and AI safety researcher at HES-SO Valais-Wallis, with previous research experience at EPFL. Specializes in generative AI safety, adversarial machine learning, and cybersecurity, bridging scientific research with practical approaches to trustworthy AI.
Engineering & Consulting
Our engineers combine AI safety and cybersecurity expertise to turn strategic requirements into secure, working systems.
Safety & Security
Yoan Rappaz
AI Security Engineer
Former EPFL postdoctoral researcher with a background in scientific computing and data-driven research. Brings deep expertise in complex computational systems and applied AI to the security assessment, adversarial testing and safeguarding of AI systems at Surelio.
Founding advisors
The advisors who helped shape Surelio’s vision and continue to challenge our thinking, guide our development, and uphold our commitment to trustworthy AI.
Artefact
Rémi Sabonnadière
Partner
AI entrepreneur, Partner at Artefact, and co-founder of Effixis, a Swiss AI consultancy acquired by Artefact in 2024. EPFL- and Imperial College-trained in data science, with extensive experience leading enterprise AI transformation initiatives, from applied AI development to governance and responsible adoption.
Artefact
Elliott Bertrand
Partner
AI entrepreneur, Partner at Artefact, and co-founder of Effixis, a Swiss AI consultancy acquired by Artefact in 2024. Brings expertise in enterprise AI strategy, natural language processing, and generative AI, helping organizations translate emerging technologies into practical business solutions.
HES-SO Valais-Wallis
Dimitri Percia David
Professor, head of the GenAI Lab
Associate Professor of Data Science and Machine Learning at HES-SO Valais-Wallis, with a PhD from HEC Lausanne. Former Distinguished Cyber-Defence Postdoctoral Fellow, specializing in applied AI, cybersecurity research, and trustworthy AI deployment. Co-founder of the GenLearning Center.
Work with Surelio
The right expertise. Working together.
Bring your AI security challenge to a team that connects governance, engineering, and cybersecurity.