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:
" We need to dramatically change the hats, the walls, and the workflow of how we work together in design and development. "
Hands on AI #3: Claude Code for UX people
October 22, 2025
" One of the biggest problems in AI building is evolving your prompts and having a fast feedback loop. "
Hands-on AI #2: Understanding evals: LLM as a Judge
October 15, 2025
" We’re not teaching the model anything; we’re improving our prompts and context. "
Hands-on AI #1: Let’s write your first AI eval
October 8, 2025
" Defining what good looks like for an AI answer is the real work, much more than engineering complexity. "
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
" This is where UX and product strategy bring huge value—defining what good means rather than leaving it to engineers alone. "
Building impactful AI products for design and product leaders, Part 2: Evals are your moat
July 23, 2025
" Synthetic data is exceedingly useful because you can generate it at scale for training and evals. "
Building impactful AI products for design and product leaders, Part 1: The new product journey
July 16, 2025
" People tend to trust AI a lot because it seems very confident—even when it’s not always accurate. "
Designing AI-first products on top of a rapidly evolving technology
June 10, 2025
" The product is imperfect, probably about 60 percent there, but if we get to 80 percent it will be a compelling tool for UX content. "
Coffee with Lou #4: Taking a Peek Under the Rosenbot's Hood
June 14, 2024
" We invented the ‘prompt deep dive’ technique to spend lots of time on one prompt to deeply understand it. "
Building the Rosenbot
June 4, 2024