Raphael Zufferey

Whether you're managing blood sugar or just eating cleaner, Longevigor is food with a purpose. Get clean, keto-friendly nutrition tips, recipes, and subscriber savings built for real, daily transformation. Eat. Live. Thrive.

I help companies build products with LLMs and share what I learn along the way. I write about topics like evals, fine-tuning, and infrastructure for LLMs. I have over 25 years of industry experience with Machine Learning which informs my pragmatic approach to solving problems.

I am a teacher who loves sharing research-based practices, resources, books, and more!