Key Criteria Used:
Net Worth
This is the total value of a person’s assets minus their debts.
Assets include:
Shares in companies
Real estate
Businesses
Investments
Cash
Value of Company Shares
For many billionaires, most of their wealth comes from stocks. For example, leaders of companies like Tesla, Amazon, or LVMH have wealth tied to their company share prices. When stock prices go up, their net worth increases.
Public Financial Data
Financial magazines like Forbes and Bloomberg track and estimate billionaires’ wealth using market data and public records.
Debt and Liabilities
Any loans or financial obligations are subtracted from total assets.
Bravo

Criteria include, how self disciplined the person is, and how they handle issues when they encounter one