Johannes Heidecke
Tracked across 2 events · 31 articles · First seen Aug 10, 2026 · Last active Aug 12, 2026
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Business
Chloe Baker, OpenAI's sole dedicated AI ethics lead, resigned in July 2026, less than a year after joining from Meta Platforms. Her departure follows the exits of safety leaders Johannes Heidecke and Joshua Achiam, amid…
Impact: Heidecke, former head of Safety Systems, departed in July as part of a reorganization, contributing to safety leadership turnover.
Aug 10, 2026 · 7 articles
Business
Brad Lightcap, OpenAI's longtime Chief Operating Officer and one of its most senior executives, announced on August 11, 2026 that he is leaving the company to start a new venture. Lightcap, who joined OpenAI in…
Impact: Johannes Heidecke, head of safety, left in early July, adding to safety-related leadership gaps. Not directly involved.
Aug 11, 2026 · 24 articles
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