An influential businessperson is often referred to as a MAGNATE, which is a term derived from the Latin word 'MAGNATES' meaning 'great person'. A MAGNATE is an individual who has achieved success in their field and has a great deal of influence over their industry. They are often seen as leaders in their field and have the ability to shape the direction of their industry. They are typically well-known and respected within their industry and have a great deal of power and influence.