Raizen developer profile — @priya_iyer
Senior Applied Scientist at OpenAI
I build ranking and preference models with a measurement mindset: inter-rater agreement first, then the model.
Location: Seattle, WA
Ranked #2 on the Raizen verified-developer leaderboard.
Website: https://github.com/priyaiyer
2022-01-10 – Present
Preference-model training and rater-agreement tooling for assistant evals.
2020-07-06 – 2021-12-20
Search ranking; offline eval that actually moved online NDCG.
M.S., Computer Science
2018-09-01 – 2020-06-15
Cohen/Krippendorff dashboards plus a gold-set builder. Turns noisy labels into a dataset you can retrain against.
Learns a latent quality score from pairwise reviews of candidate work. PyTorch, calibrated, with bootstrap intervals.