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Republican leaders of three House committees have demanded that Nvidia chief executive Jensen Huang appear before a closed-door congressional briefing, with the chair of the House Foreign Affairs Committee warning he would issue a subpoena if Huang did not respond by the end of Wednesday. The escalation marks a significant hardening of political pressure on the world’s most prominent chip executive since he admitted to an extramarital relationship with a woman US intelligence officials believe was working for Chinese intelligence.
Huang, 63, acknowledged the affair in a statement on Sunday, apologising to his family and Nvidia employees. The woman identified in media reports is Alice Huang, a former executive at Singapore-based technology company Megaspeed, who is accused of being recruited by Chinese intelligence to gather information about the Nvidia chief and lobby him to push for looser restrictions on chip exports to China. China’s Foreign Ministry has flatly denied the allegations, with spokesperson Guo Jiakun calling them “completely groundless” and “a smear campaign against China.” Alice Huang has not been quoted in available reports.
Nvidia launched an independent investigation and said it had no reason to believe that “either national security or NVIDIA secrets were compromised.” President Donald Trump confirmed on Monday that the FBI was examining the matter but described Huang as an “honourable guy.” By Wednesday, however, media reports indicated Nvidia was preparing to part ways with its co-founder over the controversy.
Republican Senator Kevin Cramer went further, calling for Huang’s resignation. “The potential for extortion is so tremendous that something as sensitive as Nvidia chips, I just think he’s got to go,” Cramer told Politico. Huang, who co-founded Nvidia more than three decades ago, has shown no indication he intends to step down.
The Megaspeed question
Beyond the personal relationship, analysts are scrutinising Nvidia’s commercial dealings with Megaspeed itself. The Singapore firm purchased more than $4.8 billion worth of Nvidia chips over roughly two years and has separately been investigated over allegations that it helped Chinese companies obtain access to restricted chips — allegations Megaspeed denies.
Ryan Fedasiuk, a fellow at the Foundation for American Innovation who studies Chinese technology and intelligence activities, told Al Jazeera that Nvidia had contacted the US Commerce Department about its investigation into Megaspeed, and that in disclosures to the government Nvidia appeared to have significantly undercounted the value of chips sold to the company. “The question at hand is whether Nvidia took specific actions with respect to Megaspeed that it might not otherwise have done,” Fedasiuk said, “possibly as a result of the personal relationship between the two executives.”
According to US intelligence officials cited by The New York Times, Alice Huang was specifically tasked with persuading Jensen Huang to lobby for an easing of export controls. The Nvidia chief had already been publicly arguing that tighter restrictions would only accelerate China’s domestic chip development, giving Beijing’s industry a competitive advantage over time.
What Beijing could have learned
Experts say the more difficult question is what sensitive information Alice Huang may have accessed through the relationship itself. Jessica Brandt, a senior fellow at the Council on Foreign Relations, pointed to the value of knowing how Nvidia designs its China-specific chips and how the company communicates with policymakers. “Information about its conversations with policymakers could be helpful for anticipating where those controls and other policies are headed,” Brandt wrote in an analysis. “Understanding where it disagrees with government could expose fault lines to exploit. And that’s before we get into anything touching R&D.”
Fedasiuk raised parallel concerns about Nvidia’s internal product roadmap, its customer base — which spans American and foreign technology companies — and Huang’s well-documented personal ties to Trump and senior White House officials. “I have to wonder what kind of information about those people and about those relationships may have inadvertently made its way to Ms Huang or to Chinese intelligence,” he said.
Nvidia’s advanced semiconductors sit at the centre of the US-China contest over artificial intelligence dominance. Washington has restricted sales of the most powerful chips to China since 2022, citing risks that they could be used by the Chinese military or intelligence services. Those controls have made Nvidia’s export decisions a matter of national security policy, not merely commercial strategy — a fact that gives the affair its particular political weight in Washington even as no public evidence has emerged that classified information was transferred or that Alice Huang demonstrably shaped any of Huang’s decisions.

