Jensen Huang resigned as Nvidia's president, CEO and board member on Nov. 12, one day after confirming an affair that triggered an independent board investigation, according to the company's SEC filing. The resignation at one of the world's most valuable publicly traded companies (publicly traded meaning shares available on the open market) marks the extreme end of a scrutiny range every founder now occupies.

The case has moved beyond reputation into national security territory. Three House committee chairs have sought answers about Huang's reported relationship with Alice Huang, a woman U.S. authorities allege could have shared crucial information with Megaspeed, a firm accused of diverting restricted chips to China. Congressional scrutiny continued after his resignation, with additional requests for Huang and Nvidia's general counsel to appear before Congress.

Two parties have pushed back. China's Foreign Ministry has denied the allegation. Nvidia's board has said it has no reason to believe company secrets or national security were compromised. If the suspicion were ever confirmed, though, a CEO's personal life would stop being a reputational question and become a security one. Few founders carry that kind of influence, but the case defines the outer limit of founder accountability.

What does the Nvidia case change for founders?

The market delivered its verdict alongside the board's. Nvidia's share price fell as the story developed, and the board launched its own investigation before Huang resigned.

Temiola Agbe, whose expert analysis for Inc.com frames the episode, argues the lesson is not that founders should hide. "A visible founder is still an asset," she writes, because admiration for an entrepreneur who scales a brand into significant revenue attaches to the brand itself. Her view: what the headlines should change is how clearly founders understand what they are signing up for.

Founders she has spoken with in recent months handle visibility four ways:

• Serve as the primary face of the brand
• Allow the product to speak for itself
• Work behind the scenes and sign the newsletter
• Let customers carry the story

A stranger who has never used the product still has the imagery, the price and the story, so the story has to live somewhere.

When do a founder's obligations clock out?

They do not, according to Agbe. A founder's personal life carries obligations to a board, shareholders and investors, and private ownership does not switch that off. A founder who never posts a word about the brand still answers to those parties for conduct outside the office.

The founder chooses how visible to be, but boards and investors hold the same expectations either way. Nvidia shows that audience at work: a board investigating on its own initiative and a share price that fell as the story developed.

How do customers respond?

With their wallets, and with increasing consistency. Stanford's Corporate Governance Research Initiative surveyed 2,807 Americans and reported in September that 76 percent of respondents say they are less likely to buy from a company whose CEO they disagree with — 14 points higher than in 2018. Another 62 percent could name a product they now use less because of a CEO's activism, up from 35 percent in 2018.

The impressions persist. Nine of the top 12 companies criticized for activism in 2018 were criticized again this year. Stanford's Amit Seru cautions that stated intentions do not always become purchases, but the results show how closely customers track what leaders say and do.

The survey covers CEOs who take public positions, which is narrower than private conduct. Most founders will never face Nvidia's scale; the likelier version is a political donation or a public comment, which is closer to what the survey measures. A customer who sees it does not separate the founder from the brand any more than the founder did by choosing to be its face.

What test should each audience apply?

Each of the three audiences reads the same facts differently, Agbe argues:

• The board asks whether the conduct exposed the company
• The investors ask what it does to the value of what they own
• The customer asks whether they still want to hand this person their money

A leader's policies or public actions can lead a customer to stop buying from a brand or a retailer entirely. For a founder synonymous with the brand, the customer's verdict on one arrives as a verdict on the other — and no board has to act first.

Her closing test for any founder before posting, donating or speaking in public: could this put the company you built at risk, and would it pass the scrutiny of your board, your investors and your most loyal customer?