Diana Montalion Returns to DDD Europe 2026 as Keynote Speaker

Posted on 2026-02-09 - 4 minute read

We're thrilled to announce that Diana Montalion will be joining us as a keynote speaker at DDD Europe 2026! Diana is a systems architect, author, and thought leader who has been challenging how we think about software architecture and knowledge flow for over two decades.

From Code to Systems Thinking

If you've read The Economist, donated to Wikipedia, or contributed to The World Monuments Fund, you've interacted with systems that Diana helped architect. With over 20 years of experience delivering initiatives for prestigious organisations including Stanford, The Gates Foundation, Memorial Sloan Kettering, and Teach For All, Diana has served as Principal Systems Architect for both The Economist and The Wikimedia Foundation.

Diana is the author of the O'Reilly book Learning Systems Thinking: Essential Nonlinear Skills & Practices for Software Professionals. Through her company, Mentrix Group, she provides enterprise systems architecture, technology strategy, and team leadership while publishing courses and learning materials for aspiring nonlinear thinkers.

A DDD Europe Regular with Fresh Perspectives

Diana has been a valued contributor to DDD Europe over the years, consistently bringing insights that challenge our assumptions and expand our thinking:

DDD Europe 2020 - Diana delivered her talk "Systems are communication structures," exploring how our systems mirror our thinking and collective communication. She emphasised that achieving conceptual integrity in systems requires crafting conceptual integrity in people, drawing on seven centuries of collective reasoning practices that predate modern technology.

DDD Europe 2021 - She facilitated a hands-on lab on "Reasoning systematically: the art of integration leadership," where participants practiced argumentation as the foundational skillset for navigating uncertainty. The workshop demonstrated how this skill provides integration leadership that doesn't depend on job titles: Everyone can develop confidence in the thinking they facilitate.

DDD Europe 2023 - Diana continued sharing her expertise on systems architecture and sociotechnical design, building on her extensive client work and teaching experience.

Architecture as Knowledge Flow

Diana's work centers on a paradigm shift in how we think about architecture. Rather than focusing solely on technical components, she advocates for designing systems that enable knowledge flow: moving information from static storage to dynamic meaning in motion.

According to Thoughtworks' Tech Radar, Knowledge Flow is an essential technique to learn. Diana's approach addresses a critical challenge: in an era where decisions are rarely driven by meaning, insight, and expertise shared across teams, tools, and digital systems, how do we architect information systems that actually support how knowledge workers need to think and collaborate?

Her philosophy challenges the conventional wisdom that architecture is primarily about tools like Kubernetes. Instead, she argues that architecture is about designing and adapting the interplay between system components, requiring a sociotechnical skillset that merges social and technological expertise. As she puts it, architects should think of themselves more like librarians, helping disseminate knowledge rather than just storing it.

The Keynote: "Knowledge Flow: Designing Actual Intelligence"

We say we want intelligent systems. What we really mean is faster delivery.

Despite domain-driven design, sophisticated architectures, and ever-more automation, most organizations still produce pipelines and documentation, not asynchronous, meaning-driven information systems. Then everything fast becomes slow again.

This keynote argues a simple but uncomfortable truth: Intelligence does not emerge from data, tools, or LLMs alone. It emerges from knowledge flow: the sociotechnical infrastructure that shapes how meaning is created, connected, reused, challenged, and evolved across people and technology systems.

When knowledge doesn't flow, organizations don't think. They react, full of sound and fury, signifying nothing.

Beyond the Keynote: A Deep Dive Workshop

Diana will also be leading a two-day pre-conference workshop, "Knowledge Flow: How to Design Smarter Information Systems" (June 8-9), where participants will move beyond theory to practice.

This isn't your typical workshop. Through hands-on practices and systems thinking, participants will:

• Navigate the "Six Delusions of Unusual Size": knowledge myths that trap organisations in systemic gaps
• Discover the Six inconceivable Truths: practices that actually generate knowledge flow
• Walk the Spiral Paths with keystone activities that shift thinking and deliver high-value impact
• Architect a Knowledge Repository as if everything is intertwingled (because it is!)
• Prototype a meaning-driven system with hands-on ontology-driven code

Whether you're untangling legacy systems, designing better decision-making processes, or trying to make sense of complex product landscapes, this workshop offers the mindset, methods, and tools to turn information overload into organizational intelligence.

If you're tired of Jira-driven engineering, documentation-drowning requirements, and designing information pipelines rather than knowledge systems—this workshop is your chance to experience a powerful, practice-driven approach to architecting systems that support synthesis, collaboration, and real innovation.

Learn more and about the Knowledge Flow workshop

Ready to explore DDD Europe 2026? Check out our speakers and program to see who's joining us this year.