Nvidia CEO Jensen Huang resigned on Thursday after his extramarital affair raised national security concerns, according to the supplied material. The resignation was described as a spectacular downfall for the longtime head of the chipmaker, which was characterized as a vital player in the artificial intelligence boom.

Huang, described as synonymous with Nvidia since he co-founded the company more than 30 years ago, faced growing calls to resign following his affair with a Chinese businesswoman. The businesswoman reportedly was also acting as a spy for Beijing.