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:
" Cloud code wasn’t programmed to do this; it’s a very lightweight system where the model does most of the work. "
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
" There is a large and growing capability overhang in these models we haven’t discovered yet. "
Hands-on AI #1: Let’s write your first AI eval
October 8, 2025
" We want to keep our content evergreen by focusing on people skills and critical thinking, not just tools. "
GenAI for UXers: A Rosenbot Demo and Discussion
September 11, 2025
" All the complicated-sounding techniques are just ways to put the relevant text into the context window. "
Building impactful AI products for design and product leaders, Part 3: Understand AI architectures: RAG, Agents, Oh My!
July 30, 2025
" You don’t want to give too many options like rating from one to ten because consistency gets lost between different LLM calls. "
Building impactful AI products for design and product leaders, Part 2: Evals are your moat
July 23, 2025
" Tool use and function calling are what make agents possible, letting models call tools and reason through tasks. "
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
" If you don’t jump in and learn, you’ll spend your time reading stuff on it and not really understand the tech. "
Coffee with Lou #4: Taking a Peek Under the Rosenbot's Hood
June 14, 2024
" Building generative AI tools is not scary, it’s just very different from the last 20 years of building products. "
Building the Rosenbot
June 4, 2024