
For several years, Alberto led the CERN group that develops and operates the scientific computing services and the data center infrastructure required by the laboratory and its experiments to achieve their research mission. He represents CERN on the advisory boards of the Internet Society (isoc.org) and the World Wide Web Consortium (w3c.org). He has also been a programming professor at the University of Lausanne. He graduated in engineering from the Politecnico di Milano (Italy), when he received the first IEEE prize among electronic engineering students in the Northern Italy section.
- KEYNOTE: The (R)evolution in Data and Computer Science: anticipating opportunities and distinguishing Science from Science Fiction

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.
- Generating SBOMs from binary applications

I am a computer scientist by education, with 15 years of experience in IT working both in the private and public sectors. I’m fond of Enterprise Architecture, but most of my career has been spent in IT project management, support and software development. Currently I am the Deputy Head of Unit in DIGIT.B.1 in the European Commission, developing IT products and services in the fields of Data, Business Intelligence, Artificial Intelligence and Web, managing the content offering for the Europa websites.
- KEYNOTE: Impacting Europe: how can an AI empowered Commission change your life
Bertille Mazari est directrice conseil chez Open Source Politics (OSP), spécialisée dans les solutions numériques open source pour la collaboration et la participation citoyenne.
- Protecting participatory democracy from AI with AI

Christian is a highly respected open source strategy and governance expert with many years of international experience. Christian has the honour of serving on the board of OW2 and chairs the OW2 MiniApp Initiative. In 2020, Christian founded his consultancy company, Open Up, after leading the Open Source Governance team at Orange. During his tenure, he spearheaded the creation of the OW2 Open Source Accessibility Initiative and the OW2 Good Governance Initiative. Christian holds diplomas in Neurobiology from the University of Sussex and Cognitive Science from the University of Birmingham. In his spare time, he enjoys walks, gardening, and playing the occasional video game. He believes that the BBC Micro will always rule, and he loves spicy cuisine.
- Does open source really have an economic sustainability problem?

to come soon.
- Exploring Chip Design with Open Source Electronic Design Automation

Currently working at PrestaShop, I’m a Payment Product Manager. My mission is to focus efforts on improving the payment experience of our merchants, mainly through PrestaShop Checkout. With a solid background in ecommerce, I spent three years at Octopia as a Product Manager specializing in cash out processes and two years at Cdiscount.
- PrestaShop Checkout: Open Source Payment Innovation for Ecommerce

More than 20 years working in Open Source Identity and Access Management, I contribute to softwares like LemonLDAP::NG, LDAP Tool Box, LDAP Synchronization Connector and FusionIAM.
- Le débat : sovereignty and OSS in Europe
- AI and Cloud in a sovereign place

Gilles Dubois works as a lead developer at FactorFX Company. As he said, he is passionate about open source. He contributes to numerous open source projects. With the FactorFX team, Gilles Dubois has been bringing relevant developments to OCS Inventory for more than 10 years.
- OCS Inventory : A key component of ITSM for complete IT asset control

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.
- Enhancing E-Learning Productivity with AI and LLMs

to be completed.
- The Lucie-7B LLM and the Lucie training dataset : lessons learnt from training a true open source AI model

After having worked during 10 years in the telecom division of Hewlett Packard, Jehan Monnier found Belledonne Communications in 2010 with Simon Morlat, the original author of the Linphone project. Since then, Jehan is holding positions in technical direction and management.
- Use case: Training faculty in French Open Source technologies to encourage adoption and reduce dependence on proprietary solutions
Dr. Juan Prieto is the CTO of Ximdex, with extensive expertise in Smart Content and Data Management, and a strong focus on AI applications in Education, Publishing, and Content Creation. With a foundation in physics, Dr. Prieto has made significant contributions across various sectors, specializing in AI-driven solutions for content creation and distribution. At Ximdex, he leverages headless CMS and cloud computing technologies to provide scalable and secure solutions for the education and publishing industries.
Ximdex has also made notable contributions to the open-source community, releasing its content management system, which integrates Linked Open Data and offers tools for data analysis and visualization. The company has supported transparency initiatives like the "Congreso Transparente" project and participated in several European and national research projects, further demonstrating its commitment to innovation and accessibility in content and data management.
- Cognitrek: Advancing Cognitive Accessibility and AI Transparency in EdTech

to be completed.
- A "Librery Endowment Fund“ for open source and digital commons
Having started in development in 2016, I have mostly worked in Python/Django and Angular. After a couple of years as a CTO, I have started my own cooperative company, which edits the open-source project management application Tenzu.
Working with a small team, I still spend most of my days doing hands-on web development work, which I have to balance with finance and the day-to-day administration of the company.
- Creating an open-source startup as a cooperative in France
To come soon..
- Orange keynote

Luc-Aurélien Gauthier is a data science expert and open-source advocate, currently contributing to the development and promotion of Khiops, an automated, interpretable, and scalable machine learning library. With extensive experience in AI applied inthe industry, he focuses on making advanced ML techniques both efficient and accessible. Passionate about responsible AI and model interpretability, he actively works on bridging the gap between research and real-world applications.
- Scaling Trustworthy and Responsible Machine Learning with Khiops: Automated, Interpretable, and Open Source

Creator of XWiki and CEO of XWiki SAS, I have been developing the free XWiki SAS company for 20 years, as well as being a board member of the Open Food Facts association.
XWiki SAS, a European company based in France and Romania, develops only Open Source application software in the field of knowledge sharing and secure collaboration. XWiki is used by thousands of organizations to organize, share and collaborate on information. XWiki SAS also develops CryptPad software (https://cryptpad.org), an innovative solution enabling collaboration while protecting data confidentiality.
I have been participating for more than 10 years and presented at the Open Source Experience, FOSDEM, OW2Con, Capitole du Libre conferences, talking about collaboration or privacy software as well as on business models and the financing of Open Source software.
- IA, SAAS et Open Source, challenges or opportunities for Open Source Companies ?

Marco Antonio Stranisci is a researcher at the University of Turin, Department of Computer Science, and co-founder of aequa-tech, a NLP startup located in Turin. His main research interest is on bias detection through the combination of NLP and SW technologies.
- Citizen-Dataset for fighting misinformation online. A new participatory dataset.

Matthieu, a mathematician, now coordinates AI activities at IGN - the French National Geographic Institute. He is in charge of building and implementing IGN's AI roadmap, and also works on applying AI to Lidar HD data.
- KEYNOTE: The AI Challenges in the perspective of the French National Geographical Institute

Meven works as a Software Presales Engineer with a strong technical knowledge and a passion for solving business challenges. Skilled in bridging the gap between technical solutions and client and partner needs, he ensures seamless handoffs between sales and implementation teams. He specializes in many different Collabora Online integrations and deployments to ensure a smooth Collabora experience for our partners and customers from the beginning of the relationship.
- Collabora Online: A Secure Open-Source Building Block for Online Document Editing

Milovann Yanatchov is an architect, a free software developer, and an associate professor in computational design.
- Forge Federation in the Context of Open Science and Research-Based Design

Morgan Richomme is working in Orange Labs as senior network integrator. He used to work on VoIP & IMS solutions a long time ago. He initiated the Orange group Open Source governance. Morgan managed the Emerginov open source project and used to be the Orange representative in OPNFV and ONAP communities, contributing to Test and CI/CD projects for these communities. He is now involved in Kubernetes activities on Continuous deployment and Continuous Testing.
- Unlocking Automation: Orange's Open Source Toolkit for Seamless GitOps Integration

Nicolas Vivant has been working in the local civil service for 15 years, after 20 years in the private sector. Digital Strategy Manager for the town of Échirolles since 2021, he is the author of the ‘Échirolles numérique libre’ master plan.
In charge of the Information Systems Department and the town's digital inclusion scheme, he is responsible for addressing the major issues associated with digital technology, including sovereignty, respect for personal data, the fight against digital divides, environmental impact, cybersecurity and ecosystem management. He's one of the founders of the France Numérique Libre initiative.
Echirolles is keen to tackle all these issues in a practical way, and several years ago began a determined transition to open source software. It is also co-organiser of AlpOSS, an annual event held at the town hall that brings together local opensource players.
- France Numérique Libre: how local authority IT managers launched a national initiative.

Niko Bonnieure is a software engineer specialized in encryption, local-first and linked data technologies. After working in big data startups for several years, and following the Snowden revelations in 2013, he decided to quit those jobs and dedicate his time to building a decentralized platform for malleable apps based on graph databases. He then added CRDTs to the mix to solve consistency issues in P2P setting, and E2EE to preserve privacy.
Niko is a strong advocate for Digital Sovereignty in Europe.
- NextGraph : Build secure, local-first and decentralized apps

Pablo is a science geek, an archer, a cook, a gamer, a history nerd and a successful open source entrepreneur (Penpot). He loves open source, design & code collaboration and lean practices. He makes sure to always operate under a no-fear mindset.
- Innovating around Open Source business models: Open Nitrate Model

Patricia is co-director at the German public funding programme Prototype Fund. She is also responsible for the communication of the Prototype Fund. She studied religion and culture in Berlin and did research on medial discourse hegemony. Before joining the Prototype Fund team in 2020 she worked in public relations for various NGOs.
- Small seeds – why funding new ideas matters

Patrick joined Apereo as Executive Director in 2023, serving previously as Interim General Manager of the Foundation. Before Apereo, Patrick served as General Manager for 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. He was the Director of Technology at the SUNY Learning Network and the UCLA Media Lab.
Patrick is an adjunct instructor with SUNY Albany's College of Computing and Information and speaks frequently on topics related to 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.
- Workshop : Open Source AI and Higher Education – Responding to the Open Source AI Definition

- Workshop - Expanding Open Source Software Research in Higher Education

Paul Poulain is a member of the Koha community since 2002. He served as Release Manager several times, and has founded BibLibre, company dedicated to Open Source in libraries, in 2007.
- Koha : a 25y old vibrant community

Pierre-Yves is the CEO of OW2 since 2022: a European non-profit FOSS foundation, we host open source projects, promote them, animate a community mixing academics, companies, public bodies, foundations, associations and individuals, promote FOSS by organizing or participating to professional events, and advocate for it at political and social levels. OW2 is also involved in the NGI FOSS funding programme.
Before, Pierre-Yves was an open source supporter for 28 years, writing code, doing business and consulting, working with academia, teaching computer science and participating in OW2 as an elected Board representative.
- Closing Session
- Event opening

Simonas Žilinskas-Inta is a product manager at Open Source Politics, where he works with Decidim, an open-source platform for participatory democracy. His work involves product discovery, ensuring that Decidim meets the needs of public sector clients and a global community of contributors. Passionate about civic engagement and open-source technology, he helps develop digital tools that empower citizens and institutions.
Beyond Open Source Politics, Simonas co-founded Tortue.studio, an AI agency focused on ethical and transparent AI solutions for the public sector. He is also involved in Compar:IA, a project with the French Ministry of Culture, and has experience in communications, product strategy, and civic tech innovation.
- Protecting participatory democracy from AI with AI

Stefane Fermigier is a French tech entrepreneur and open source advocate. He is the founder and CEO of Abilian, a company which develops enterprise information management solutions based on open source software. Previously, he founded Nuxeo in 2000, a company which was sold in 2021 for $M150. A graduate of ENS Paris (now called ENS PSL), he holds a PhD in mathematics from Paris 7 University (now called University of Paris).
He has cofounded and led - as president/chairman, co-president/co-chairman or vice-president - several organisations dedicated to developing the open source ecosystem in France and Europe:
- EuroStack Project (2025)
- EUCLIDIA (2021)
- APELL (2020)
- The PyData Paris / PyParis conference (2014)
- CNLL (2010), the French National Council of Free / Open Source Companies.
- GTLL (2007), the business and innovation cluster for open source in the Paris Region (part of the Systematic Paris Region cluster).
- The Open World Forum / Paris Open Source Summit (2008), yearly conference dedicated to open source and "open everything" in Paris.
- EuroLinux (2000), a federation of European open source associations, that was formed to fight software patents between 2000 and 2005.
- AFUL (1998), the french-speaking Linux and free software users association.
He's also the founder or a cofounder of several open source projects, including:
- 2024: Hop3 (Python-based self-hosted cloud platform)
- 2021: NUA (Python and Docker based self-hosted cloud platform)
- 2016: Olapy (Python based business analytics)
- 2012: Abilian SBE (Python based social business platform)
- 2009: Apache Stanbol (content analysis)
- 2009: Apache Chemistry (CMIS implementation in several languages)
- 2007: Nuxeo EP (Java based ECM platform)
- 2002: Nuxeo CPS (Python based collaboration suite)
- Hop3: Open-Source PaaS for Digital Sovereignty and Simplified Deployment

Benoit TELLIER is in charge for 10 years of the Email strategy at LINAGORA. He is the Chairman of Apache James, the email server of the Apache software foundation, used to bootstrap Twake Mail suite. He is also the Product Owner of Twake Mail client, the only multiplatform JMAP client. Benoit is active also on normative aspects for email. OpenSource, OpenStandards and OpenGovernances are his credo !
- Open Standards: a pre-requisite for OpenSource ?

Dr. Tomas Muller is a lead application developer at Purdue University and a founding partner at UniTime, s.r.o. His research interests include optimization, constraint programming, and constraint-based timetabling and scheduling. He is the technical lead and principal developer of the university timetabling system UniTime and wrote the local search-based solver used for course timetabling, examination timetabling, and student scheduling.
- Using UniTime to build optimized academic schedules

Tom Reijnders has 35+ years of experience in designing and programming and as a system architect. He has a Master degree in Computer Science from the Technical University of Eindhoven, The Netherlands. He has a lot of experience with different programming languages (C++, C#, PHP, Javascript, HTML, CSS, jQuery and Java amongst others) on different platforms (Windows, Linux, Android). He is proficient in MySQL, and an expert on SCORM and xAPI. A few years ago he started a new adventure with DLearning, a company trying to get online learning and Learning Analytics to the next level. He is one of the core developers of the Xerte community.
- The Future of Digital Learning: Open-Source, Interactive & Data-Driven

Vijayasri Iyer is a Machine Learning Scientist at Pi School, where she has managed multiple international teams in developing AI-powered solutions, focusing on Generative AI and LLMs. An alumna of the Pi School of AI (Q3 2022), she is currently working on EVE, an open-source large language model for Earth Observation and Earth Sciences, in collaboration with the European Space Agency's Φ-lab. She also leads engineering efforts on Trallie, a project funded by the NGI Search consortium, redefining unstructured document search using LLMs.
Holding a Bachelor’s degree in IT and a Master’s in AI with Honors from India, Vijayasri has also earned certifications, including the Credentials of Readiness (Harvard Business School Online), Public Policy (specialised in Technology Policy) and AI Safety. Outside of her work in AI, she is a certified yoga instructor and a trained musician.
- Trallie: a framework to transform unstructured data into valuable information using LLMs (tbc)

Vincent bootstrapped his career thanks to his passion for open source more than 20 years ago: heavily involved in all aspects of the GNOME project, he was recruited by SUSE to keep working on what he loved. He later became involved in openSUSE and in OpenStack. His involvement in the community covered all kind of roles in various projects: contributor, reviewer, maintainer, release manager, director of a Foundation, chairman, and more! Today, Vincent is happy to mix his interests in open source, technology, people and strategy on a daily basis thanks to his role of CTO at Centreon.
- Forking a project in a friendly way

Virgile Deville est un entrepreneur en technologie civique. Il a cofondé Open Source Politics, le principal intégrateur de Decidim, une plateforme de participation citoyenne open source. Depuis 2023, il conseille la Direction interministérielle du numérique (DINUM) dans le cadre de l'Accélérateur d'initiatives citoyennes, un programme de soutien au communs numériques. Il enseigne « Introduction aux communs numériques et politiques publiques » à Sciences Po Paris.
- Building digital commons with the public : it starts by reusing their projects

Yann Lechelle is an entrepreneur & tech executive, co-founder & CEO at Probabl.ai, an INRIA spinoff whose mission is to distribute open source data science and machine learning technology globally around Scikit-learn and its more than 2 billion downloads. Previously, he was CEO at Scaleway, a leading regional cloud provider with unique European attributes and values. Over the past decades, he has founded, grown and exited a total of 6 tech startups, including Snips.ai, a privacy-by-design voice processing deep-tech acquired by Nasdaq-listed Sonos. Yann gives back to the community as an angel investor, as digital expert to Matignon’s Secretary General for Investment in its France 2030 investment committees, as co-founding member of France Digitale and board member and VP Ecosystem at HUB France AI, as well as board member at One-o-One and JEDI. Yann holds a Bachelor of Computer Science summa cum laude from the American University of Paris, as well as an MBA from INSEAD.
- KEYNOTE: Own your AI