Miju LabsWhy they are on the map
Chief Scientist; publicly discusses data curation and ratios; senior author on TVM (2025-11). source — evidence dated 2025-11
Needs the data for a model; writes the spec.
How Luma AI buys data
Ray3 Evaluation Report (2025-10-14, by Sabrina Day and Simran Motwani) says outputs were 'rated by trained evaluators with diverse domain expertise' and that the framework was built with 'scientists, filmmakers, artists, and creators' plus 'independent review'. The vendor is not named. 2026 hiring: RL researcher to 'build reward infrastructure… reward-model serving, LLM-as-judge', a World Model researcher to 'define and own the metrics', and a PM for Applied Research. Leadership stresses curated, quality-over-quantity data.
Founder-led (CEO Amit Jain, CTO Alex Yu) with Chief Scientist Jiaming Song over research. Visible teams: Foundation Models, Training Compute (RL), Data Infrastructure, Inference, Forward Deployed Creative, and Dream Lab LA. Evaluation reports come from a small team (Day, Motwani).
This person was mapped in pass 1. Career, what they have said on the record, interviews, connections, why they matter to us and how to reach them are added in pass 2, which starts with tier A.