Miju LabsWhy they are on the map
Sierra author page: 'Head of Research at Sierra'; τ-bench lead source — evidence dated 2025-03
Shapes what 'good data' means.
How Sierra buys data
Publishes τ-bench, τ²-bench and Hyper-τ-Bench agent benchmarks (2024–26). Hired 'Product Manager, Agent Data Platform' (Aug 2025). No human-data vendors publicly named.
Small research team led by Karthik Narasimhan (also Princeton faculty) owns benchmarks/evals.
Full dossier pending
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.