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:
" Despite the worst user interface ever, cloud code is the most popular and successful agent that exists today. "
Hands on AI #3: Claude Code for UX people
October 22, 2025
" Evals are everywhere, right? Everybody's talking about evals. It is like one of the key things in developing useful AI products. "
Hands-on AI #2: Understanding evals: LLM as a Judge
October 15, 2025
" Evals are a product and UX skill; learning them lets you make these systems do what you want. "
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
" Context design and context engineering mean figuring out and building what needs to go into that text file sent to the model. "
Building impactful AI products for design and product leaders, Part 3: Understand AI architectures: RAG, Agents, Oh My!
July 30, 2025
" If you launch in the US and politeness is an issue, first try to fix it with prompts; only if that fails should you build an eval. "
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
" Retrieval augmented generation is just adding results from a search into the model’s context to make it more grounded. "
Designing AI-first products on top of a rapidly evolving technology
June 10, 2025
" The content behind this bot is curated and high quality, unlike the typical confusing, outdated information in corporate repositories. "
Coffee with Lou #4: Taking a Peek Under the Rosenbot's Hood
June 14, 2024
" When GPT came out, my kids immediately adopted it at school and couldn’t pry it from their dead hands. "
Building the Rosenbot
June 4, 2024