(FILES) Co-founder and CEO of Anthropic Dario Amodei (C) looks on as US Speaker of the House Mike Johnson (lower L) speaks to the press after a meeting with technology executives about artificial intelligence at the White House in Washington, DC, on September 29, 2026. The surge in artificial intelligence and the heated debate around its risks have made Anthropic CEO Dario Amodei the most visible tech leader -- though the 43-year-old remains an enigma. The San Francisco native built in just five years a company that could be valued at 2 trillion dollars when it goes public this fall. (Photo by Kent NISHIMURA / AFP via Getty Images)