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Johannes Heidecke

Head of Safety Systems at OpenAI.

Researcher1 organizations3 reports

Profile status: updated

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Contributions are treated as untrusted leads. Public changes happen only after review against public sources.

Trust signals

Profile completeness39%

Public sources1

Official sources1

CountryUnknown

Last reviewedMar 12, 2026

Review outcomeUpdated

Official homepage

updated Unknown location 1 public sources

Latest review note

Cleanup pass C: promoted Johannes Heidecke's existing official OpenAI page from other to website to strengthen the profile link set.

Public links

website OpenAI profile page

Organizations

core OpenAI

Reports

Large Language Models GPT-4 Technical Report Reasoning Models OpenAI o1 System Card Reasoning Models OpenAI o3 and o4-mini System Card

Official and primary sources

https://openai.com/index/johannes-heidecke/ Official source · homepage

LLMpeople is a public atlas for discovering frontier AI researchers with context, provenance, and respect.