
Stijn Christiaens co-founded Collibra, Belgium's first SaaS Unicorn in data governance, and has since become an active angel investor with more than 10 investments and an LP position in Syndicate One.
Stijn co-founded Collibra alongside Felix Van De Maele, building it into a globally recognized data governance platform and one of Belgium's most important tech success stories. Collibra reached Unicorn status and serves large enterprises worldwide. Stijn departed from the company in 2021.
After leaving Collibra, Stijn has been active as an angel investor, backing more than 10 startups across the Belgian and European ecosystem. He is an LP in Syndicate One, the Brussels-based angel syndicate, placing him in a connected position across the Belgian investor community.
Across the numbered material, Christiaens keeps circling back to one claim: organizations do not fail because of the technology itself, they fail because they repeat the same governance and data-quality mistakes with each new wave, and the current agentic AI wave is no exception. In his 2026 posts this becomes an explicit warning that governance for agentic AI must be structured before deployment rather than bolted on afterward . In the earlier interviews (2024-2025) the same instinct shows up as a more general observation: enterprises made the same errors moving to cloud data warehouses that they made on-premise, and the recurring obstacles are people and cross-functional collaboration, not the underlying tech 16. What has shifted is the object of concern — from data governance discipline broadly, to the specific infrastructure of "context" that agentic systems need in order not to fail .
Christiaens treats context as the load-bearing layer beneath agentic AI, not a nice-to-have. He amplifies the framing that "Most agentic failures are failures of context" , and endorses the idea that "CDOs who can build and manage this infrastructure of context transform their businesses" . He is drawn to strategic arguments that context and meaning cannot simply be outsourced, flagging "Why You Cannot Rent the Meaning Layer" as good strategic thinking . He frames a well-run organization itself in these terms: "A well-governed company is a graph of loops running at different speeds" . He is also watching whether older tools for capturing context, like ontologies, have a real role in this cycle or are just a trend, asking "Are ontologies hot again, or a flash in the pan? Their fate is in the hands of your agent" , and separately musing on what "Unpacking context feels like" .
His clearest normative claim is that governance has to precede deployment: "enterprises aiming to take agentic AI to production need to structure governance before deployment. Retrofitting it after failure is far harder and more expensive than building it in from the start" . He connects this to a broader caution about mistaking motion for competence, highlighting that "the mistake is to confuse speed with judgment" . He also flags technical failure modes that reinforce the governance case, pointing to research on LLMs developing a "hive mind" syndrome when left to run unsupervised too long .
Christiaens repeatedly argues organizations under-invest in the data layer and then relearn the lesson the hard way each technology cycle: "every new technology cycle organizations have to re-learn the importance of taking care of the data asset" . In interview, he names the two biggest misconceptions business leaders hold about AI: that it requires no data investment, and that AI systems are already reliable when they remain an emerging technology 17. He argues data should be treated as a valuable asset rather than exhaust, and that "AI ready data" spans both quality requirements for model training and the preparation of unstructured data, which he notes makes up 80-90% of organizational data, using semantic layers to turn documents into knowledge products 17.
In the podcast and interviews, Christiaens goes further into the founder's psychology and craft than any written post does. He describes the discipline required to run a company for years: "you have to have strong opinions but loosely held," being stubborn enough to hold a thesis but open enough to change course "if the reality hits you in the face that you're going in the wrong direction" 19. He pushes back hard on romanticized entrepreneurship: "the romantic notion of the entrepreneur is a little bit of an illusion, but I do recommend start," while warning that "entrepreneurship is for everyone" is false and "the first years are typically very hard and very uncertain" 19. He details how Collibra's own category (data governance) was not the founding plan but was spotted during a pivot around 2009-2010 from semantic data integration 19, and lays out concrete, stage-dependent engineering metrics, investor-selection advice (choose the individual partner, not the firm brand, since that relationship can run 13+ years), and a sales philosophy that listening beats "demo barfing" all the features 19. He also offers the vivid time-compression image that "a day can feel like a week and a week can feel like a month" in a startup 19, and the observation that adoption speed is bounded by human and organizational adjustment, not technology, since "the future is already here, it's just unevenly distributed" 19.
From public career histories · 6 entries
Collibra co-founder Stijn Christiaens shares 16 years of lessons on category creation, pivoting, enterprise sales, data regulation, choosing investors, and the harsh realities of the founder journey.
In this interview, Stijn Christiaens discusses how organizations repeatedly make the same mistakes with new technologies like cloud data warehouses that they previously made on-premise, and identifies people problems and cross-functional collaboration as the biggest challenges in data and AI work rather than technology itself. He argues that organizations should treat data as a valuable asset rather than exhaust, emphasizes the importance of trustworthy data products, and predicts that AI will become more powerful and commoditized while requiring increasingly more data to function effectively.
Stijn Christiaens discusses major misconceptions business leaders have about AI, including the belief that AI requires no data investment and the assumption that AI systems are already reliable when they are still emerging technology. He also explains what "AI ready data" means, covering both the quality requirements for training machine learning models and the need to prepare both structured and unstructured data (which comprises 80-90% of organizational data) for AI systems to draw upon, including using semantic layers to create knowledge products from documents.
Stijn Christiaens discusses how he transitioned from working at a local software company to joining a research lab at the University of Brussels, where he was exposed to multidisciplinary work in NLP, linguistics, and computer science. He describes how a phone call from someone at a packaging company asking about solving data integration problems between systems like ERP and CRM became the catalyst for him and three co-founders to start Collibra, initially funding it with 15,000 euros per person in a friends and family round before seeking outside investors.