The term TOP EXEC refers to three different job titles: President (PRES), PREZ, and Chief Executive Officer (CEO). These are all high-level positions in a company, typically held by the most experienced and knowledgeable individuals. The President is the highest-ranking executive in a company, responsible for making major decisions and setting the overall direction of the organization. PREZ is a shortened version of President, and CEO is the title given to the individual who is responsible for managing the day-to-day operations of the company.