A general manager is an executive who has overall responsibility for managing both the revenue and cost elements of a company's income statement, known as profit & loss (P&L) responsibility. A general manager usually oversees most or all of the firm's marketing and sales functions as well as the day-to-day operations of the business. Frequently, the general manager is responsible for effective planning, delegating, coordinating, staffing, organizing, and decision making to attain desirable profit making results for an organization