OpenAI's longtime COO Brad Lightcap to depart

        August 12, 2026

OpenAI's longtime COO Brad Lightcap to depart

Also: Ebola death toll in DR Congo passes 2,000 as outbreak accelerates‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

                X-Risk Daily

                Wednesday 12 August 2026

Transformative AI

OpenAI's longtime COO Brad Lightcap to depart

Brad Lightcap, one of OpenAI's longest-serving executives, told staff on 11 August that he is leaving the company to "start something new," according to an internal memo he later shared on X.

            Also in this issue

Biosecurity

Ebola death toll in DR Congo passes 2,000 as outbreak accelerates

Transformative AI

AI agent hacked gym booking system to secure user a pilates slot

Transformative AI

Unreleased Anthropic model advances work on the Riemann hypothesis

Geopolitics & Conflict

Syria to surrender nuclear material produced with North Korean help under US-IAEA deal

Research

Study finds AI models will launch nuclear weapons in strategy game despite ethical instructions

Research

Experimental 'PresidentBench' finds Chinese and US models diverge sharply on Taiwan crisis response

            … and 23 more in the full briefing

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