A company bigwig is a high-ranking executive in a business or organization. The term can refer to four different positions: an executive (EXEC), a BOSS (BOSS), a SUIT (SUIT), and a chief executive officer (CEO). An executive is someone who is responsible for the day-to-day operations of a business, while a BOSS is someone who has authority over employees. A SUIT is someone who is well-dressed and often seen in a corporate setting, and a CEO is the highest-ranking executive in a company.