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Johannes Heidecke

Head of Safety Systems at OpenAI.

Researcher1 organizations3 reports

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Profile completeness39%

Public sources1

Official sources1

Last reviewedMar 12, 2026

Official homepage

updated 1 public sources

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

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