https://leonmatheus.com/ Data is shared meaning. I work on the structures that keep it alive: architecture, modeling and governance for organizations that need to remember. en https://leonmatheus.com/writing/the-enterprise-that-cannot-remember/https://leonmatheus.com/writing/the-enterprise-that-cannot-remember/Tue, 06 May 2025 00:00:00 GMTThe enterprise produces knowledge all day and forgets what it wanted to know. A data model is the minimum shared truth that lets it remember. https://leonmatheus.com/writing/there-is-no-generic-data/https://leonmatheus.com/writing/there-is-no-generic-data/Sun, 16 Feb 2025 00:00:00 GMTBecoming data-driven is not trading intuition for KPIs. Data always has a shape, a source and a life cycle, and it takes a culture to keep it meaningful. https://leonmatheus.com/writing/the-mystery-of-knowledge/https://leonmatheus.com/writing/the-mystery-of-knowledge/Mon, 30 Dec 2024 00:00:00 GMTWe've invested like never before in computing to extract knowledge from raw data. These technologies seem to demand that we think better, not less. https://leonmatheus.com/writing/oriented-to-data/https://leonmatheus.com/writing/oriented-to-data/Fri, 13 Dec 2024 00:00:00 GMTDatabases are no longer just backing services. With AI agents as connective tissue, modeling moves up to the layer of meaning. https://leonmatheus.com/writing/fundamentals-outlast-waves/https://leonmatheus.com/writing/fundamentals-outlast-waves/Sat, 30 Nov 2024 00:00:00 GMTTwenty years of innovation and hype in analytics. Fundamental ideas last longer and travel further than any tool. https://leonmatheus.com/writing/modeling-is-not-architecture/https://leonmatheus.com/writing/modeling-is-not-architecture/Wed, 27 Nov 2024 00:00:00 GMTThe medallion architecture organizes a pipeline into layers. It says nothing about how to model the information. https://leonmatheus.com/writing/the-default-is-a-decision/https://leonmatheus.com/writing/the-default-is-a-decision/Mon, 03 Jun 2024 00:00:00 GMTA small card fraud, read with a risk analyst's eyes. Whoever doesn't take on a risk shouldn't make it the customer's default. https://leonmatheus.com/writing/there-is-no-magic/https://leonmatheus.com/writing/there-is-no-magic/Sat, 16 Mar 2024 00:00:00 GMTThe stock and flow of data is a physical thing. Convenient APIs have invisible costs. https://leonmatheus.com/writing/formal-languages-quiet-value/https://leonmatheus.com/writing/formal-languages-quiet-value/Sun, 03 Mar 2024 00:00:00 GMTWhoever broadcasts gets heard even by those not paying attention. In a world of software and data, formal languages weigh more and more, and nobody becomes a musician just by talking. https://leonmatheus.com/writing/roi-of-a-data-initiative/https://leonmatheus.com/writing/roi-of-a-data-initiative/Sun, 26 Nov 2023 00:00:00 GMTMeasuring how many fruits you pick is one thing. Measuring whether picking them drains the energy you get from eating them is another. https://leonmatheus.com/writing/data-engineering-is-building-traps/https://leonmatheus.com/writing/data-engineering-is-building-traps/Fri, 10 Nov 2023 00:00:00 GMTIt's not about tools, and not just about data. It's about producing abstractions of meaning, and every abstraction has a cost of understanding. https://leonmatheus.com/writing/people-problems/https://leonmatheus.com/writing/people-problems/Thu, 28 Sep 2023 00:00:00 GMTSpeed and scale can't improve understanding on their own. https://leonmatheus.com/writing/abstraction-never-ends/https://leonmatheus.com/writing/abstraction-never-ends/Wed, 22 Feb 2023 00:00:00 GMTDeriving meaning from information is, for any organization, a process of self-discovery. An endless game, not a tool purchase.