Net worth is not “salary” or “income in a year.” It’s typically the difference between what a person owns (assets) and what they owe (liabilities). For business figures, the biggest driver is usually equity value: ownership in a company, the value of holdings, and the liquidity of those investments. If you can’t reliably verify ownership stakes, a “net worth” number becomes more like a guess than a calculation.
In practice, credible net worth work requires data such as: estimated percentage ownership, share price at a given time, lock-up restrictions, debt, tax effects, and sometimes the value of private-company interests. If the person’s major wealth is tied to a private stake or unreported assets, the math becomes probabilistic, not precise.
That’s why for simon yiming ma net worth, readers should look for evidence of ownership—such as disclosures in filings—or for primary sources that can be traced back to company records. If a page offers a number without ownership evidence, it’s fair to assume the figure is an estimate, not a verified valuation.