


Researcher on OpenAI's Reasoning team, working on teaching models to code, do deep browsing and carry out autonomous research. Stanford BS and MS in computer science; earlier at Hazy Research, Stripe, Cresta and Pioneer.
Path
Current
- OpenAIResearcher, Reasoning team
Previous
- HRHazy Research, StanfordResearch on retrieval-augmented language models (during coterm)
StripeSoftware engineering and product- CRCrestaSoftware engineering and product
- PIPioneerSoftware engineering and product
Sourcesimsanti.comx.comEducation and jobs are read from their own homepage or employer's page; papers checked on arXiv. From LinkedIn only the person's own public posts are read; GitHub is a link only.
Account links back to x.com/santiaghini · Avatar from their X account, taken 2026-11-02
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