Warnings Emerge Over Emirati A.I. Firm G42’s Ties to China

When the secretive national security adviser of the United Arab Emirates, Sheikh Tahnoon bin Zayed, visited the White House in June, his American counterpart, Jake Sullivan, raised a delicate issue: G42, an artificial intelligence firm controlled by the sheikh that American officials believe is hiding the extent of its work with China. In public, the company has announced its staggering growth with a steady cadence of news releases. They have included agreements with European pharmaceutical giants like AstraZeneca and a $100 million deal with a Silicon Valley firm to build…