Do you realise that CEOs don't all start at a company from day 1 and instead get hired and immediately have a huge salary?
According to Wikipedia:
As of 2024, Huang has been Nvidia's chief executive for over three decades, a tenure described by The Wall Street Journal as "almost unheard of in fast-moving Silicon Valley".[14] He owns 3.6% of Nvidia's stock, which went public in 1999.[5] He earned US$24.6 million as CEO in 2007, ranking him as the 61st highest paid U.S. CEO by Forbes.[5]
This should tell you all you need to know.