More formal word for “mover and shaker”

Question

Is there a more formal word or phrase for mover and shaker? Single word is preferred.

Answer 1

Since mover and shaker means a person who wields power and influence in a certain field, these words might work:

• Magnate
• Mogul (applicable definition is number three, for the second entry)

Answer 2

Movers and Shakers are people of influence, so you can call them, in abbreviated form if necessary, the influential, as in 'The influential in the United States, as in all countries, are those with money, power and popularity.'

Answer 3

A single word that describes "mover and shaker" is heavyweight. An informal, "animal" term that is descriptive is elephant.