cnbc.com | Tech Follow Former OpenAI exec has quietly built $1.5 billion startup, betting AI can revive U.S. manufacturing Former OpenAI executive Bob McGrew is launching Arda at a $1.5 billion. https://www.cnbc.com/2026/10/20/ex-openai-executive-builds-1point5-billion-ai-manufacturing-startup-arda.html cnbc.com