LU-CIX GIE

Having come up with the idea of a Luxembourgish commercial Internet exchange, Claude Demuth has participated actively in the creation of LU-CIX and holds, since the creation of LU-CIX Management G.I.E. in 2009, the position as CEO.
Until February 2016 his commitment was based on a volunteer basis but since March 2016 he is an employee of LU-CIX GIE and a “full-time” CEO. In July 2020, the board of directors of LU-CIX ASBL elected him also as Chairman of LU-CIX ASBL, a not-for-profit membership-based association.
Between December 2013 and February 2016 he was the Business Development Manager of LuxConnect which he joined as Senior Business Development Specialist in 2011 in order to develop the national and international Data Centre and dark fiber business of LuxConnect.
Claude Demuth has worked for POST Luxembourg’s Telecommunications Division between 2005 and 2011. As a telecommunication pre-sales engineer for the Internet, IP and Ethernet network services, he was in charge of numerous projects in the financial and ICT sectors. He was also responsible for the promotion and development of POST Luxembourg’s international fiber backbone.
Before joining the POST team, he gained a 10 years’ experience as a team leader responsible for the telecommunication and security departments at CETREL, where he was also in charge of the business line “Internet, Managed ICT and Security Services”.
Luxembourgish born, graduated at the University Louis Pasteur (Strasbourg), he likes promoting Luxembourg as a great place to live and to do business.

Throughout his career, Julien Franck has gained 15 years of expertise in administration, accounting and corporate finance. He started working as an accountant at Primexis (France) then moved into analyst and controller roles for companies such as Delphi Automotive Systems (Luxembourg) and Veolia Environnement (Germany). Established in Luxembourg since 2005, Julien joined DCL Group in 2007 as controller taking over financial responsibilities for various companies of the group including those of Datacenter Luxembourg, LuxCloud and EuroDNS before helping JOIN Experience for two years.

Since 2017, Julien Franck is now Manager Finance and Administration at LuxConnect.

Julien graduated initially from NEOMA Business School, consolidated his accounting, tax, audit and legal skills at the CSLuxembourg and obtained his Master in Business Administration at University Nancy II.

Gilles Massen joined the RESTENA Foundation in 1999 and was involved in many projects since that time. His core tasks had been the technical and policy development of the .lu registry, but the scope of his
responsibilities widened when being appointed as the Foundation’s CEO in 2017. As former member of RESTENA’s CSIRT Team, he has a keen eye on operational security as well as privacy concerns. In October 2016, he took over the role of COO of LU-CIX Management GIE.

Gilles is a vocal proponent of implementing current best practices, including IPv6, DNSSEC and BCP38, contributing to build a robust and trustworthy infrastructure for the benefit of the Luxembourg Internet community.

From 2005 to 2008, I was a student at ‘Institut Supérieur deTechnologie’ in Luxembourg, graduating as Industrial Engineer in Information Systems, specialised in software development. From 2008 to 2009, I added one year in ‘Université Henri Poincaré’ in Nancy, France, graduating as Master 2 in Information Systems, specialised in IT networks. Since August 2009 I’m working for RESTENA Foundation as a networks and systems engineer.

Uwe Zeidler joined Broadcasting Center Europe as Network Supervisor in 2005. Since 2010 he is responsible for Telecom and Network Development inside BCE.

By-side the huge amount of Internet related activities, he has a focus on design and operation of high available & high performance Networks.
During his professional career he took different Responsibilities in Network, Telecom and System areas. During last 12 years he worked for different Media Company’s and enjoyed the never stopping evolution of technology.

Pascal received two master degrees from the Université Libre de Bruxelles (ULB) in Belgium: one in “Astrophysics” and one in “Applied information technology”. After a first experience in ICT at Canal+ Belgium as software engineer, he joined the eLuxembourg Task Force in 2002 as project manager for several network and information security projects.

Today, Pascal is Managing Director of SECURITYMADEIN.LU, the structure behind the three main information security initiatives of the Luxembourg government: CIRCL, CASES and BEE SECURE. He is also lecturer in information security at the University of Luxembourg, member of the ENISA management board and vice-president of the CLUSIL (an association representing the information security landscape of Luxembourg).

Having come up with the idea of a Luxembourgish commercial Internet exchange, Claude Demuth has participated actively in the creation of LU-CIX and holds, since the creation of LU-CIX Management G.I.E. in 2009, the position as CEO.
Until February 2016 his commitment was based on a volunteer basis but since March 2016 he is an employee of LU-CIX GIE and a “full-time” CEO. In July 2020, the board of directors of LU-CIX ASBL elected him also as Chairman of LU-CIX ASBL, a not-for-profit membership-based association.
Between December 2013 and February 2016 he was the Business Development Manager of LuxConnect which he joined as Senior Business Development Specialist in 2011 in order to develop the national and international Data Centre and dark fiber business of LuxConnect.
Claude Demuth has worked for POST Luxembourg’s Telecommunications Division between 2005 and 2011. As a telecommunication pre-sales engineer for the Internet, IP and Ethernet network services, he was in charge of numerous projects in the financial and ICT sectors. He was also responsible for the promotion and development of POST Luxembourg’s international fiber backbone.
Before joining the POST team, he gained a 10 years’ experience as a team leader responsible for the telecommunication and security departments at CETREL, where he was also in charge of the business line “Internet, Managed ICT and Security Services”.
Luxembourgish born, graduated at the University Louis Pasteur (Strasbourg), he likes promoting Luxembourg as a great place to live and to do business.

After graduating from a master’s degree in electronic engineering, and after a brief stint at Europe Online, Michel worked for 22 years at CETREL / SIX Payment Services in various capacities. Network Engineer, Head of Service, Project Manager and Head of IT Operations were steps in both Luxembourg and Zurich, before joining LU-CIX GIE.

Nicolas has more than 20 years of experience in the Information Security area. After a first experience in IT Security at Cetrel / SIX group where he had the opportunity to hold different positions such as Information Security Officer and head of Operational Security, Nicolas joined LuxTrust S.A. as Senior Information Security Officer where he had the opportunity to contribute to the digitalisation of the Luxembourgish identities. In this context, he was in charge to elaborate the company Risk Management framework and ensure the Trust Service Provider’s compliance with regulatory standards and laws.

Skilled in Risk Management, Security Governance, compliance and incident response, Nicolas is also comfortable with operational and technical security matters like system hardening, firewall configuration, web application firewall deployments, Key management implementation, security log analysis, intrusion detection, etc. Nicolas also holds CISSP and ISO27005 certifications. Working since August 2018 for LU-CIX, the Luxembourg Internet eXchange Point, he is currently in charge of implementing the company’s Information Security Program and dealing with Information Security matters.

After completing a Bachelor degree in Computer Science – System and network administration, Philippe specialized in Open Source technologies (mostly Linux systems), automation and scripting for 3 years before joining LU-CIX in 2021.

Philippe on maintains and administers the IT system and automating IT administration tasks.

While studying to become an IT technician at Lycée Guillaume Kroll, Filipe discovered his passion for cybersecurity. This led him to study Cybersecurity at the same school, where he graduated in 2023 with a BTS Cybersecurity diploma.

During this period, he participated in the ECSC 2022 (European Cybersecurity Challenge) as a member of the Luxembourg team. This experience led to him and his team being awarded the “Most Promising Young Talent” prize during CSWL 2022 (CYBERSECURITY Week Luxembourg).

At the end of his studies, he completed a 3-month internship at LU-CIX, which became a full-time job in July of the same year, where he now works as a security engineer.

Thierry holds a Maîtrise in computer science and started is career at CETREL, now Worldline, in 1997 as System Engineer. He was deeply involved in systems and storage solutions design as well as operations as the company grown. He joined LU-CIX in 2023 as Senior System Engineer.

Mickaël holds a a Master in Network and Systems engineering. He started his career in Luxembourg in 2006 at Telephonie/Netline, as a Network Engineer. Four years later, he joined Dimension Data as a Senior Service Professional. In 2015, he took on a new challenge and started at Datacenter Luxembourg as a Senior Network Engineer.
Mickaël joined the LU-CIX team in 2020, as a Senior Network Engineer.

His specialities are IP Networks, Network security and Operator networks based on Juniper, Cisco, Arista and Fortinet devices.

In 2021, while studying Cybersecurity in the BTS program at Lycée Guillaume Kroll, Rafael discovered his passion for Linux and open-source systems. This led him to pursue further education in computer science at the University of Reims Champagne-Ardenne (URCA) in France, where he earned a Bachelor’s degree.

At the end of his studies, he completed a 2-month internship at Restena, where he further improved his automation and cybersecurity skills.

Stéphane graduated from Institut Henallux as Industrial Electromechanical Engineer, Field of study Electrical and Electronic engineering. He then joined Telindus Luxembourg in 1991 as a Network and Security Engineer. After 19 years, he took on a new mission at Creos as a Network Architect Engineer in charge  of the Lan/Wan network.  In 2020, he joined the LU-CIX team, with the new role of Senior Network Engineer.
Stéphane is always learning and keeping up with certifications (Cisco CCIE  Entreprise , RIPE,…).
During his spare time, Stéphane runs a farm and leads a musical group where he is tuba player.

After studying accounting, Virginie began in 2001 her career as an administrative and accounting assistant in the field of construction (12 years). Then, she pursued her work in the security sector (2 years), followed by the finance sector (3 years) and has arrived at LU-CIX Management G.I.E. in 2022.

These various fields of work have allowed her to obtain a solid experience in assistantship and accounting.

After being graduated in chemical engineering from IUT Nancy-Brabois in 1994, Séverine LEINEN reoriented her career towards administrative assistantship. She has acquired a solid experience as an executive assistant working for an international payment and services company.

Cyrille joined in 2020 LU-CIX Management G.I.E. as a System Engineer (Linux, DDoS). Before joining the team, Cyrille has gained experience as a System Engineer at Vision IT Group PSF (2008 – 2011) and at DATACENTER Luxembourg (2011 – 2020). Cyrille has also worked for 10 years for the French Air Force (ELINT – ELectronic INTelligence) while taking evening classes (Networks, Systems and Multimedia) at CNAM and teaching himself a development language (vb6).
In 2005, he integrated the European School of Luxembourg as IT Preparer (mainly Systems oriented work – Migration from Linux to Microsoft).

Before joining LU-CIX in 2023, Johan has spent 9 years working various roles in Systems Administration and Support at Visual Online, followed by 6 years as main System Administrator/Engineer at Arcus ASBL, responsible for upgrading and maintaining a rapidly growing infrastructure.

Having started his career in the early 2000s as a sole IT Technician responsible for the setup and maintenance of a small business network as well as product development, Johan has collected a broad experience in all areas of IT, from developing embedded GPS tracking devices for trucks to building a countrywide infrastructure for 1300+ users.

In April 2020, Jorge Rafael Dos Santos Carvalho, then a 2nd-year student in BTS Cloud Computing from Lycée Guillaume Kroll, joined the Restena Foundation for a 3 months internship about building automatisation for networking operations for Restena and LU-CIX. Weeks passed and he then became a Restena’s full team member.

Jo has joined the RESTENA and LU-CIX team in 2019. Before that, he worked during 6 years as a Network Engineer at POST Luxembourg. Jo has a Bachelor of Engineering (BEng) from the University of Edinburgh and a Master’s degree in Distributed and Ubiquitous Computing from Lancaster University.

Irène has been working for RESTENA Foundation and for LU-CIX since 2016. Before joining our team, she worked during 3 years in Czech Republic, for the company Sonus and the company LinuxBox.cz
She graduated from University of Peloponnese – Telecommunication Systems and Network Engineering Department.

Before joining Restena, Isidore worked for the last 10 years at NTT Ltd. (formerly Dimension Data) as a consultant for NATO where he gained a lot of skills in Networking and Security areas.

Denis Otte started in 2010 as a Network/Security engineer at Dimension Data (now NTT) for various customers, mainly in the banking sector. Soon after, he joined the NATO on-site team, focusing on network and security operations and projects. He then progressively transitioned to part-time project management in parallel of his technical duties.

After a 3-year experience at the Luxembourg-based shipping company CLdN, he decided to take a new challenge and joined Restena & LU-CIX in January 2021 as part of the Network team, the technical environment being very appealing to the tech savvy geek he is.

Denis holds IT-engineering degrees in France and Germany and also graduated in Project Management from the Ecole Polytechnique in Montréal, Canada.

From 2005 to 2008, I was a student at ‘Institut Supérieur deTechnologie’ in Luxembourg, graduating as Industrial Engineer in Information Systems, specialised in software development. From 2008 to 2009, I added one year in ‘Université Henri Poincaré’ in Nancy, France, graduating as Master 2 in Information Systems, specialised in IT networks. Since August 2009 I’m working for RESTENA Foundation as a networks and systems engineer.

Uwe Zeidler joined Broadcasting Center Europe as Network Supervisor in 2005. Since 2010 he is responsible for Telecom and Network Development inside BCE.

By-side the huge amount of Internet related activities, he has a focus on design and operation of high available & high performance Networks.
During his professional career he took different Responsibilities in Network, Telecom and System areas. During last 12 years he worked for different Media Company’s and enjoyed the never stopping evolution of technology.