He left after only a year 'at the helm' [='in charge'] of the corporation.
The ship's captain was 'at the helm'. [=steering the ship]
The ship's captain 'took the helm'. [=steered the ship]
(..) I love weddings! Drinks all around! I know. "Clap him in irons," right? Mr.Sparrow, you will accompany these fine men to the helm and provide us with a bearing to Isla de Muerta. You will spend the rest of the voyage contemplating all meanings (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl