
Coal Miner Turned AI Data-Center Baron Navigates the AI Boom
Josh Payne, a former coal miner, now runs Nscale, a fast-growing AI data-center company that just raised $2 billion at a $14.6 billion valuation with backers including Nvidia and Aker; Sheryl Sandberg joined its board, and Microsoft remains the biggest customer as Nscale expands globally and eyes an IPO, financed by debt and equity to support multi-billion-dollar buildouts, even as investors warn about an AI bubble if demand or contract lengths falter.



