tycoon

Entrepreneur who has achieved wealth and prominence from a particular industry (or industries)

A business magnate is someone who has achieved great success and enormous wealth through the ownership of multiple lines of enterprise. The term characteristically refers to a wealthy entrepreneur or investor who controls, through personal enterprise ownership or a dominant shareholding position, a firm or industry whose goods or services are widely consumed. Such individuals may also be known as barons, captains of industry, czars, moguls, oligarchs, plutocrats, taipans, or tycoons.

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