Jensen Huang has resigned from Nvidia, the leading global chipmaker, following reports that he maintained a romantic relationship with a suspected Chinese spy. The departure marks a significant turning point for the company and has triggered immediate reactions in Washington. Lawmakers are now preparing to examine how the affair may have impacted U.S. artificial intelligence dominance, national security, and the executive's close ties to the White House.

The woman involved in the relationship, Alice Huang, is an executive at Megaspeed, a Singaporean technology firm. Allegations suggest that Megaspeed smuggled restricted chips to China. This revelation has drawn the attention of Congress, which is eager to understand the extent of the security breach and the role of key government officials in managing export controls.

Senate Majority Leader John Thune, a Republican from South Dakota, indicated on Thursday that follow-up investigations are expected given the high stakes involved in national security. Meanwhile, House Foreign Affairs Committee Chair Brian Mast, a Republican from Florida, stated that Huang has agreed to testify before several House committees in the coming weeks. Mast aims to have the former CEO appear before Thanksgiving, with the testimony likely to be under oath and transcribed.

If Huang does not appear voluntarily, Mast and other committee leaders, including Rep. John Moolenaar and Sen. Rick Crawford, have issued subpoenas. They have requested that Huang and Nvidia General Counsel Tim Teter respond by Friday evening. Additionally, Senate Banking Committee Chair Tim Scott has summoned both Huang and Commerce Secretary Howard Lutnick to testify in December. Lutnick has already agreed to appear voluntarily to address questions regarding the department's handling of Nvidia chip exports.

Commerce Secretary Lutnick has faced criticism after reports emerged that he delayed President Donald Trump's crackdown on firms routing Nvidia chips to China. Some members of Congress are also calling for an investigation into the Bureau of Industry and Security, a subagency of the Commerce Department responsible for enforcing export controls. The New York Times reported that Nvidia's general counsel claimed to have communicated with Jeffrey Kessler, the head of BIS, during a Commerce investigation into Megaspeed that was later transferred to the Justice Department.

As Democrats prepare to take control of both chambers of Congress in January, they are positioning themselves to lead oversight investigations. Senate Minority Leader Chuck Schumer, a Democrat from New York, posted on X that Congress must demand answers from Huang and other Nvidia executives regarding risks to U.S. national security. Sen. Elizabeth Warren, the likely incoming chair of the Senate banking panel, stated that Huang and the board of directors still owe Congress answers about the company's compliance with export controls.

Sen. Warren and Sen. Chris Coons, the top Democrat on the Senate Foreign Relations subpanel, sent a letter to Lutnick, Secretary of State Marco Rubio, and White House Chief of Staff Stephen Miller. They instructed these officials to preserve all documents and communications related to Nvidia's exports of advanced AI chips to China or entities that might divert them.

Rep. Josh Gottheimer, a Democrat on the House Intelligence Committee, emphasized the importance of understanding what exactly reached China and whether Megaspeed diverted chips. He noted that from an intelligence perspective, the situation is critical for national security and critical infrastructure.

Huang's resignation represents a dramatic fall from grace for a figure who was once one of the most effective advocates for the AI industry in Washington. He was known for his ability to navigate his relationship with the President while defending his industry against concerns about AI risks.

A senior Democratic staff member who spoke on condition of anonymity described Huang as articulate and passionate about explaining the importance of AI for the United States. The staffer noted that while Huang resisted export controls publicly, he did not aggressively lobby lawmakers in private meetings. Despite the intense scrutiny he now faces, some lawmakers expressed sadness over his departure. Sen. John Fetterman, a Democrat from Pennsylvania, called the resignation sad all around.