Adriana Fernández-Fernández is a Senior Research Engineer at OpenNebula Systems, leading the company's innovation strategy for telecommunications and next-generation edge computing. With extensive experience in cloud management and network modernization, she focuses on architecting solutions that integrate OpenNebula's robust edge cloud management with advanced orchestration for AI/ML workloads.

Co-founder of Kauhuri
"Empowering Mobilizon" project manager (NGI program)

I am a Senior Software Engineer at Mozilla, I worked on projects like DeepSpeech, an open-source speech recognition engine, and have contributed to Firefox OS and Common Voice. My PhD thesis in computer science focused on formal methods for ensuring software properties within Linux distributions. Passionate about technological innovation and user freedom, I am committed to projects that make technology more accessible.

Anthony Harrison has been developing and delivering mission-critical applications for over 40 years working on various complex programs where he held various roles in software, systems and cyber engineering, as well as providing technical leadership for a number of programmes.

He is the Founder and Director of APH10, and co-founder of SBOM Europe, and is a leading source of expertise in Software Bill of Materials (SBOM). He has been developing open source software actively for a number of years; most recently, the applications have been related to supporting the software supply chain through utilities to generate and analyse software bills of materials (SBOMs).

He has been a mentor for the Google Summer of Code for the past four years via the Python Software Foundation and is a mentor for his local CoderDojo in Manchester teaching students Python.

Avi Press is a developer tool author, and functional programming language enthusiast, serving as a founder & CEO at Scarf. Avi loves thinking about and discussing how people can solve problems by more effectively sharing data, and how that applies to building a sustainable open-source ecosystem. He is also a host of the Hacking Open Source Business Podcast, where Avi continues to share insights, inspire discussions, and contribute to the ever-evolving open-source landscape.

Benjamin Jean is a specialized lawyer and Open Source strategy expert. He is the founder and CEO of inno³, an open innovation consultancy, and cofounder and former President of Open Law, a French organization promoting open legal data. With over 15 years of experience, he teaches at Sciences Po Paris and advises public and private sectors on FOSS governance. A key driver behind the Hermine project, he focuses on transforming legal compliance into an automated, industrial-scale process.

Christian brings to EPITA, delivering Top Engineers for the Digital World, more than 25 years of experience in Software, Hardware, Telecom, Big Data, AI, IoT, Cyber Security, Semiconductor, Robotics, Business & IP (i.e. Intellectual Property) Licensing.

https://www.linkedin.com/in/christianchabrerie/

Christian is a respected specialist in open source strategy and governance with extensive international experience. Since 2023, he has served as Chairman of the Board at OW2, helping to guide the organisation’s vision and commitment to the FOSS ecosystem across Europe and beyond.

Formerly Head of Open Source Governance at Orange, he later founded his consultancy, Open Up, to help organisations embrace open collaboration and implement sustainable open source practices aligned with their business objectives.

Over the last decade, Christian has chaired the OW2 MiniApp Initiative, promoting lightweight and reusable web technologies for mobile; launched the OW2 Open Source Accessibility Initiative; and championed the creation of the OW2 Good Governance Initiative (now part of the OSPO Alliance).
Throughout his career,

Christian has exemplified strategic leadership, community engagement, and a lasting dedication to the global growth of open-source ecosystems.

IAM Open Source enthousiast, contributor and singer.

Dan Horovitz is an experienced Principal Security Researcher, with over 25 years of multidisciplinary security research, security product development and management experience. Dan worked at Intel, McAfee, Checkpoint as well on several security startups for the last 20+ years, doing security product development as well as security assurance, security code review, architecture and design review and security validation. Dan is a life-long hacker, security advocate, he has always had a passion for deconstructing technology. Dan has performed all forms of security assessments but given his developer and management background, he has a dedication to product security assurance, security architecture, security development and security validation. Dan has MBA & B.Sc in computer science from BGU and he's CISSP certified, reached the 3rd Black Belt Security in Intel, highest org. security certification. Dan has authored 35+ patents on privacy and security enhancements and presented papers in different conferences such: BSides, CyberSafe, iSecCon, DefCamp, DTTC, SWPC, Intel System Engineer, Intel TechWeek, QA&Test, INCOSE and MPower (McAfee).

For over 20 years Emiel has been at the forefront of the open source revolution. Emiel combines corporate leadership with deep advocacy for digital rights. Currently driving strategy at SUSE, he is also a Co-founder and Board Member of DOSBA and serves on the board of APELL.

Emiel views the open source way of life as a blueprint for society prioritizing collaboration, transparency, and digital sovereignty. An experienced and dynamic speaker, he is known for skipping the standard lecture format in favor of engaging directly with his audience, turning every keynote into a two-way dialogue on the future of technology and policy.

Evan is a former academic with a passion for reducing complexities and increasing accessibility. At DataBene, he channels this energy into R&D and customer success initiatives. While Evan's early experiences dealt closely with the extension ecosystem, his work has expanded to include broader strokes of application, bridging closely related and peripheral PostgreSQL projects.

After several positions within Natixis' Corporate & Investment Banking division, I now manage a team of data engineers and data architects within a cross-functional entity, Tech Expertise & Solutions, for the BPCE Group. I also dedicate time to the data and open-source communities as the BPCE Group's representative in the TOSIT association and have been elected in March 2026 President of OW2. Naturally, I am a strong advocate for sharing, because together we are stronger. I also teach at two business schools (ESCP and ESG) and volunteer in data at Paris FC.

François-Xavier Guidet is a telecoms and networking engineer who began his career in the United States in the 2000s before returning to France to build open-source infrastructure services. He founded FactorFX in 2001, positioning it as a hybrid integrator and software publisher, and he now leads the company’s technical direction while remaining deeply hands-on. Describing himself as an “open source enthusiast,” he contributes with his team to open-source ecosystems including OCS Inventory and Proxmox VE.

to come soon.

Inge Donkervoort was originally a teacher. After a few years she started working as a consultant for the government and in businesses. She became interested in applying ICT for online communication, collaboration and online learning with schools, governments, health care institutions and companies and in 2010 she started her own business in online learning. Inge is director/owner from DLearning. She develops online learning materials for the companies she works with and teaches them how to use Xerte considering their goals and target group. Since 2009 Inge has been involved in the Xerte project working on various elements including the translation tool - the internationalisation part. Since a few year now Inge is working also with ai, learning analytics and adaptive learning connected to Xerte.

Jean-Louis Le Roux is a renowned expert in telecommunication networks with extensive global experience. He heads Orange International Networks Infrastructures & Services (OINIS), the international technical direction of the Orange Group. OINIS designs, deploys, operates, and protects all Orange international networks (transmission, routing, services), with over 800 points of presence in 100 countries managed by 1,500 experts in submarine cables, satellites, terrestrial transmission, IP Networks, Telco Cloud, CDN, Voice, and Mobile services. OINIS supports Orange Business and Orange Wholesale markets, where Jean-Louis is also CTIO.

With over 20 years of experience in open source, I prioritize ethical, sustainable, and accessible solutions for everyone. My goal: to make technology more transparent and manageable, while empowering users toward digital autonomy.

Kelly Hoyland is Director of Strategic Project Management & Skills Ecosystem Strategy at Unicon, with over 15 years of experience advancing digital credentialing, learning records, and interoperability across higher education and K–12. She focuses on enabling trusted, portable representations of skills and achievements that support individuals across learning and employment ecosystems. Kelly has led cross-sector initiatives with institutions, employers, and technology partners to drive adoption of open standards and scalable credentialing solutions, bringing a collaborative, systems-level perspective to connecting education and workforce outcomes.

Co-founder of Ma Dada
Independent software developer focused on FLOSS

Creator of XWiki and CEO of XWiki SAS, I'm the gentle organizer of the XWiki SAS company for now 20 years, and lead the business side of the CryptPad project.

XWiki SAS, a European company based in France and Romania, only building free & open-source software leads the development of the XWiki Software (https://xwiki.org) used by thousands of organizations and helps companies and organizations all over the world organize, share, and collaborate on content. XWiki also leads the development of CryptPad (https://cryptpad.org), the E2EE Real-time Collaborative Suite, including Simple pads, Office document Editors, Drive, Online Forms and more.

A graduate of Ecole Polytechnique (X90) and Telecom Paris (95), I started my career as a software architect for Netscape Communications Europe. After being a CTO of an Internet usage analysis startup during the Internet Bubble and understanding how it works, I joined the FOSS movement.

I've been a speaker at various events including Paris Open Source Experience, FOSDEM, OW2 Conference, JDLL, Capitole du Libre, speaking about Collaboration Software, Financing FLOSS software and Privacy Solutions.

I'm also member of the OpenFoodFacts board.

Martin Häuer is the scientific head for open standards (JTC-C1) at Martin-Luther-Universität Halle-Wittenberg, Germany. He is deeply engaged in the open-source hardware ecosystem, mainly focusing on project coordination, documentation and governance. Martin has been active in several communities, including Open Source Ecology Germany, that he chaired for three years and where he initiated and led the development of DIN SPEC 3105 and maintained the OKH metadata standard. At the Open Source Imaging Initiative (OSI²) he serves as a board member, contribution manager and administrator of OSI²’s Conformity Assessment Body for open-source hardware and software in the medical imaging sector.

to be completed.

Matthias Kirschner is President of FSFE. In 1999 he started using GNU/Linux and realised that software is deeply involved in all aspects of our lives. Matthias is convinced that this technology has to empower society not restrict it. While studying Political and Administrative Science he joined FSFE in 2004.

He helps other organisations, companies and governments to understand how they can benefit from Free Software -- which gives everybody the rights to use, understand, adapt, and share software -- and how those rights help to support freedom of speech, freedom of press or privacy.

In his spare time, he has written the book "Ada & Zangemann - A Tale of Software, Skateboards, and Raspberry Ice Cream", which is translated in over 30 languages and meanwhile also available as a movie.

to be completed.

Nina Breznik has delivered talks and workshops at international conferences and community events across Toronto, Paris, Osaka, Prague, and Taipei, focusing on Solidity development and Remix tooling within the Ethereum ecosystem.

In addition to conference speaking, she has led numerous meetups in Berlin, facilitated hands-on sessions at Wizard Amigos code camps, and conducted online workshops for a global audience. Her experience spans both technical deep dives and beginner-friendly sessions, with a strong emphasis on making complex concepts accessible and practical.

Many of her talks and workshops are publicly available online, reflecting her ongoing commitment to open knowledge sharing and education.

to come soon.

Olle E. Johansson is a well-known speaker and teacher. He has a long history of working with Open Standards and Open Source Software. As a developer in Asterisk.org he contributed code, documentation and created the Astricon conference. Today, Olle is active in OWASP CycloneDX and in the Eclipse Open Regulatory Compliance Working group with issues related to the EU Cyber Resilience Act. He is active in the IETF and a member of ISOC-SE, SNUS and the supporter group for Stockholm's botanical garden "Bergianska". In addition, Olle is project lead for the DNS TAPIR Open Source project that builds a cybersecurity platform to monitor DNS queries without sacrificing the user's right to privacy.

to be completed.

Patrick currently serves as the Executive Director of the Apereo Foundation. Before Apereo, Patrick served as General Manager at the Open Source Initiative after working within higher education IT for over twenty years, including roles as CIO within the State University of New York and CTO at the University of Massachusetts' Office of the President.

Patrick is an adjunct instructor at The State University of New York at Albany's College of Computing and Information, and frequently speaks on open-source software, open education, and educational technology. Patrick is the co-founder of EDUCAUSE's "Openness" Constituency Group and served on his local school board from 2014-2018.

Paule Morizot is Head of Product at PrestaShop. She drives the product strategy across both the open source platform and PrestaShop commercial offers. Her work focuses on ensuring the software remains extensible, reliable, and aligned with the needs of merchants, agencies, and technology partners. PrestaShop’s DNA is rooted in openness and collaboration, and Paule’s mission is to preserve that spirit while structuring a clear product vision. This means providing a solution that is not only technically solid but also designed to grow with a vibrant ecosystem of developers and partners. With a background in digital and technology product management, notably in ecommerce with Cdiscount, she has developed strong expertise in building product strategies that balance business requirements with users’ needs.

Paulina is a senior commercial executive with 15+ years of hands-on experience in the digital field, scaling multi-million-euro digital-platform businesses across Europe. She offers deep expertise in enterprise sales, go-to-market and growth strategy, leading revenue, partnerships and market expansion with a clear focus on long-term value creation.

Philippe is an Orange Fellow and VP of Software Engineering, recognized for transforming complex technology into strategic business value. A three-time CTO over 12 years—including Orange Business Services—he was named CTO of the Year 2021 (Trailblazer) by Mobile Europe & European Communications. He champions AI, Cloud Native, and Platform innovation while leading Orange's telco-to-techco transition and driving engineering excellence across the organization.

Philippe advises CxOs, boards, and executive teams on large-scale transformations, bringing pragmatism and vision to technology strategy. As Senior Advisor to Orange Ventures and European VC funds, he scouts startups and assesses investments at the intersection of emerging tech and open source. He serves as Board Advisor to early and growth-stage companies, supporting founders as mentor, strategic partner, and ecosystem connector.

A passionate open-source advocate, Philippe is Board Advisor for Linux Foundation Europe and active contributor to LF Networking, Sylva and CNCF communities. He shares insights through keynotes, conferences, podcasts, and as core member of Tech.Rocks. Based in Brittany, he balances his technology passion with gravel and mountain biking.

CEO

Raphaël est Head of DevRel chez Worldline à Paris, après avoir adopté de nombreux angles de vue sur l'IT en tant que développeur, analyste, architecte, chef de projet, consultant, avant-vente, et direction technique, dans de multiples domaines métiers.

Inconditionnel passionné par l'open source et le libre, il a créé la méthode QSOS pour en évaluer collectivement la maturité. Pendant près de 9 ans, il a accompagné de nombreuses organisations dans la mise en place de gouvernances adaptées, englobant la vulgarisation, l'évaluation, l'adoption et la contribution, afin d'intégrer de manière efficace les composants open source dans leurs solutions métiers et leurs chaînes d'industrialisation DevSecOps.

Geek depuis ses débuts, Raphaël aborde les (nouvelles) technologies avec un appétit insatiable, désormais pimenté par le recul que lui donne son expérience de près de 25 ans dans la conception, la réalisation et l'exploitation de services et de systèmes d'information soumis à de fortes contraintes (criticité/visibilité, performances/volumétrie, sécurité, exigences d'industrialisation).

Richard Brock is responsible for product and technical communications at Collabora Productivity.
Since joining the team in 2023, he has focused on explaining how technologies like Collabora Office and Collabora Online enable digital sovereignty, open standards, and collaborative workflows across the public sector and enterprise.
With a background in physics and technical marketing, Richard specialises in translating complex software architectures and open-source ecosystems into clear narratives for developers, decision-makers, and users.

to be completed.

Sebastian Raible is the Director EU Government affairs for APELL – The European Open Source Software Business Association. APELL represents European business associations and the Open Source industry. Among the businesses represented by APELL's members are primarily SMEs, some large companies, as well as public administrations, research institutions and individuals.
As a computer scientist and political advisor, Sebastian has many years of experience with the Open Source ecosystem. Sebastian has worked as a policy advisor in the European Parliament from 2015-2024, and contributed to a range of relevant dossiers. Most recently, Sebastian was part of the Parliament's negotiating team for the Artificial Intelligence Act, the Product Liability Directive, and the Data Act.

to come soon.

Tara (Technologist Lead, Sovereign Tech Agency) is a public-interest technologist working on identifying critical infrastructure software and designing investment mechanisms to encourage, sustain and maintain the FLOSS ecosystem. Tara has more than a decade of experience in funding and deploying FLOSS software to empower individuals, organizations and social movements.

Tassos is an internationally recognised expert in digital transformation, technology and communications with a PhD in artificial intelligence. He has many years of experience developing digital strategies, architecting complex digital solutions and agile delivery for European, American and Asian markets.

Certified teacher of BTS in IT Services for Organizations, I chose to put my career on hold in order to contribute to research.
My research focuses on Human Learning Computer Environments (EIAH), particularly on educational games (Serious Games for education).
My research topic is: "Promoting the adoption of serious games by teachers for learning computational thinking." I have been working on this research theme since January 1, 2024. Iza Marfisi supervises my thesis, and Bertrand Marne provides my academic guidance. I am a member of the Engineering of Computer Environments for Human Learning (IEIAH) team at the Computer Science Laboratory of the University of Le Mans (LIUM), and we are based on the campus of the IUT in Laval.
As part of my research, I am involved in leading the GTnum Forges Thematic Digital Group. The goal of this working group is to bring together teachers and researchers to address the challenge of software forges being used by all teachers. Our proposal is to design education-oriented interfaces for forges. This involves implementing a multidisciplinary and collaborative approach to ensure technical developments. These interfaces will be designed to promote the sharing and maintenance of free digital commons.

Tom Reijnders is a Dutch technology expert and CTO at DLearning, specializing in learning analytics and online education solutions. He holds a Master’s in Computer Science from Eindhoven University of Technology. Tom is also a core developer of the Xerte Online Toolkits, contributing to its open-source e-learning platform used worldwide for creating interactive, accessible content. He is active in the learning technology community, supporting open-source education and digital learning innovation.

Passionate about business and organizational models, Valentina has been working in business development in the open source software industry for over fifteen years. With a degree in Communication Sciences, she has spent her entire career in the open source world. She currently leads the offering development and positioning of RIOS — Rete Italiana Open Source (Italian Open Source Network) and serves as General Director of Seacom Srl SB. Curious about human nature, she is deeply engaged in all causes related to integration and equal rights.

Valerie Aurora is an open source software engineer with more than 25 years of experience in operating systems. After moving from San Francisco to Amsterdam in 2023, she focused on improving European digital independence. She was a special rapporteur for the Cyber Resilience Act and served on the program committee for RIPE. She is the co-founder, with Sasha Romijn, of the Amsterdam Internet Resiliency Club.

In 2003, Veronika Mazour Mestrallet co-founded eXo Platform, a French provider of open-source intranet and digital workplace solutions. In 2022, she became its CEO with the ambition to offer an open-source and sovereign alternative to Microsoft 365.

A long-time advocate of open-source values - inclusivity, transparency, collaboration, mutual aid, and innovation - she works to promote a more free, sustainable, and responsible digital world.

Convinced that technology must serve the public interest, she places digital sovereignty at the heart of her vision, supporting public and private organizations in their transition to ethical, high-performance, and controlled tools.

IAM expert, Senior software architect, CTO and former general of French gendarmerie.

Previously deputy-CIO of Ministère de l'Intérieur (France)