captain of industry
A wealthy and powerful person in the business world. Her family will never accept an unemployed artist like me—they expect her to marry a captain of industry. Do you want to come to the gala with me and hob-nob with some captains of industry?
a captain of ˈindustry
a person who manages a large industrial company: He later moved to Seattle, where he became a well-known figure and captain of industry.