Peter Van Dijck
UX and AI builder, CEO Sputnik Legal
Peter runs modelcontextexperience.com to help product people, UX designers and others learn how the best AI products are built, and is the CEO of Sputnik Legal.
He writes Peter's Context Design, a newsletter exploring the intersection of UX and AI.
Follow Peter on LinkedIn or his personal blog.
Rosenverse talks by Peter:
" Your short term memory is the context window; too big, and the model has trouble accessing everything. "
Hands on AI #3: Claude Code for UX people
October 22, 2025
" Use custom systems for experts to quickly review and rate outputs, making feedback cycles much faster. "
Hands-on AI #2: Understanding evals: LLM as a Judge
October 15, 2025
" You need to be looking at the data. Nobody wants to, but that’s core work. "
Hands-on AI #1: Let’s write your first AI eval
October 8, 2025
" The AI doesn’t train itself; we provide context dynamically, so it enhances answers with curated data. "
GenAI for UXers: A Rosenbot Demo and Discussion
September 11, 2025
" Post-training on billions of examples is like training a dog over and over until it gets really good at reasoning and tool use. "
Building impactful AI products for design and product leaders, Part 3: Understand AI architectures: RAG, Agents, Oh My!
July 30, 2025
" You should plan 20 to 40 percent of your project budget on evals—it’s a lot more work than most people expect. "
Building impactful AI products for design and product leaders, Part 2: Evals are your moat
July 23, 2025
" If a capability exists and is useful, it’s very likely the model will improve significantly on it over time. "
Building impactful AI products for design and product leaders, Part 1: The new product journey
July 16, 2025
" You can’t have good AI without good information architecture. "
Designing AI-first products on top of a rapidly evolving technology
June 10, 2025
" We devote 30 to 50 percent of the project time just on evaluation with real users and experts to ensure quality and safety. "
Coffee with Lou #4: Taking a Peek Under the Rosenbot's Hood
June 14, 2024
" Co-creation between users and technology determines if this AI evolves to be useful or harmful. "
Building the Rosenbot
June 4, 2024