Nscale's Unproven CEO Braves AI Turmoil in Bid for $30 Billion Neocloud IPOSheryl Sandberg says the 32-year-old executive reminds her of Mark Zuckerberg. Josh Payne must now take his startup public at a tumultuous moment for the AI industry.Bloomberg ยท 2026-10-29T00:00:08.816Z