{"type": "article", "title": "Who Is Leopold Aschenbrenner? Ex-OpenAI Researcher Behind the $20B AI Hedge Fund's Sudden Sell-Off", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/who-is-leopold-aschenbrenner-ex-openai-researcher-behind-the-20b-ai-hedge-fund-s", "original_source": "https://www.ibtimes.co.uk/leopold-aschenbrenner-ai-hedge-fund-setback-1811737", "published": "2026-07-31T11:09:50+00:00", "accessed": "2026-07-31", "id": "who-is-leopold-aschenbrenner-ex-openai-researcher-behind-the-20b-ai-hedge-fund-s"}