The Navixia Team

Navixia can rely on a team of senior professionals, all with a long-standing experience in their respective field of activity. All of them have a personal knowledge of each of their customers and their requirements.

Patrick Zwahlen / Security Architect

Patrick is an engineer in Communications Systems from the Swiss Federal Institute of Technologies in Lausanne (EPFL). After graduating, he completed a research project on Secure Web File Systems at IBM Research Lab, one of the most famous cryptography and cryptoanalysis research centers in the world. He then moved to the field of Internet service providers, there implementing Internet services for about 40'000 private customers. For two years, he was in charge of a 24x7 Security Operation Center (SOC), which monitored and managed more than 250 security equipments (firewalls, proxy, VPN concentrators…) on five continents. Patrick has more than 18 years' Linux experience. He is key in providing operational expertise for Navixia's products and services.

Thierry Zaugg / Security Architect

Thierry provides security expertise to the IT infrastructure of Navixia's customers. After completing a master's degree in communication systems from the Swiss Federal Institute of Technologies in Lausanne (EPFL), he did research on cryptographic protocols at the IBM research lab. Development of voice over IP solutions, design and implementation of an Internet service provider backbone, deployment of IT corporate networks are part of his professional skills. For many years now, Thierry has been focusing on new security solutions integration for international customers.

Evelyne Pintado / Communication Architect

Evelyne is in charge of Navixia's marketing and communication. Her role is to promote the company, enhance its image and visibility and optimise the way it communicates with the external world. A graduate from the Lausanne Hotel School (EHL), Evelyne worked in the hotel trade and pharmaceutical industry before entering the field of IT technology. During eight years, she was Marketing & Communication Manager in charge of Switzerland for a major IT integrator. Evelyne's comprehensive experience of business communication efficiently complements the skills of the Navixia team.

Sébastien Perret / Security Architect

Sébastien has been specializing in information security for the past 15 years. He provides Navixia's customers with the expertise they require to effectively secure their IT infrastructure and has a comprehensive knowledge of the leading security products on the market. Sébastien's hands-on experience in designing and installing security solutions is extensive, both in small and multinational companies. He has secured networks in industries, banks, administrations and pharmaceutical companies. As a result, he has a thorough understanding of the security issues that may arise in environments of all kinds, and of the most effective way to solve them. As a Check Point certified instructor, and PKI instructor, Sébastien can add a sizeable training experience to the list of his professional skills.

Marie Christine Milliquet / Sales & Technical Assistant

A confirmed professional, Marie-Christine has a decade of technical administration experience with a multinational IT integrator, where her function included supervising the contract management team. Prior to that, she held several administrative positions in multinational environments and abroad. Marie-Christine is the contact person at Navixia for all administration-related matters. 

Jacques Medina / Security Architect

Jacques is a well-known expert in the field of information security. Ever since the 1980s, when protecting networks and systems started to become an issue, he has been a pioneer in investigating, testing and introducing the most valuable new technologies in Switzerland. His knowledge of all aspects of network risks, security holes and their possible remedies is extensive. He can advise on the most effective and relevant solutions for any given technical environment. Jacques' expertise is widely recognised - as much by security specialists as by suppliers. He is one of Switzerland's top specialists in the field of security.

Tristan Leiter / Security Architect

Tristan holds a master's degree in information and communication security from  the Swiss Federal Institute of Technologies in Lausanne (EPFL). He is passionate about security and cryptography, and his skills make him a valued element of our team. Tristan has a comprehensive field experience of security audits and penetration testing. Our customers also benefit from his particular expertise in the fields of network access control (NAC) and strong authentication.

Claude Krähenbühl / Managing Director

An Electronics Engineer from the Technical School of Geneva, Claude started his career as a technical engineer in a Swiss specialist IT company which was later acquired by a multinational, gaining international status. In this company, where he remained for more than two decades, Claude successively occupied the positions of Director of Technical Services for Switzerland, Director of Managed Security Services worldwide, Head of Security Business Development for Switzerland and Business Development Manager, South of Europe. Claude summarizes the strengths of the Navixia team, in that he both masters the hands-on and the latest theoretical advances of the security market. This makes him well attuned to the problematics of daily security both in small and multinational environments.

Sergio Giovanelli / Security Architect

A confirmed networking and telecom expert, Sergio has more than 15 years' specialist experience in the field of information security. An electronics engineer, he worked on hardware and software engineering projects before specialising in networking, telecoms, then security. Sergio spent ten years as a senior security engineer with a major integrator, two of which as Head of the security team for Switzerland. As a result, he has a comprensive hands-on experience of designing, installing and maintaining security solutions in companies large and small. Sergio has a thorough knowledge of peripheral security, and his extensive experience of e-mail security issues make him a top expert in that field.

Arnaud Geldreich / Security Architect

An engineer in computer sciences, Security Architect Arnaud Geldreich is a senior professional with more than fourteen years of international experience in information security. Arnaud worked in succession as a senior security specialist for a major integrator and for a specialized agency of the United Nations before becoming the Chief Information Security Officer of a financial institution listed on the Swiss stock exchange. Apart from his skills in designing and installing security solutions, Arnaud also has an extensive experience of IT risk regulations, internal controls legal requirements, best practices and governance.

Robin François / Security Architect

Robin holds a Master’s Degree in Engineering from the ENSEEIHT in Toulouse. He has long been interested in information security and was an exchange student at the Swiss Federal Institute of Technologies in Lausanne to take a specialisation in that field. Robin then joined the Navixia team, first as an intern while he was completing his studies, then as a full-time team member whose skills are much valued.

Didier Delacrétaz / Security Architect

Didier is an electronics specialist and HES graduate in computer engineering. Before joining Navixia, he spent 3 years working as a network engineer in a private banking environment, with a particular focus on security, filtering and monitoring aspects. His technical skills and dynamism make him a valuable member of the Navixia team.

Ghali Adjel / Security Support Engineer

Ghali holds a PhD in Applied Mathematics and has more than a decade of experience in networks and development with major integrators. Over the past 8 years, he has particularly specialised in security architectures, with a focus on management and monitoring issues. Ghali is in particular charge of remote support and assistance, a function in which his wide expertise is particularly important.