An Account Executive is a sales professional responsible for building and maintaining client relationships, identifying new sales opportunities, and ultimately driving revenue growth by selling products, services, or solutions to meet client needs and company sales targets. Key duties include prospecting for new leads, presenting solutions, negotiating deals, closing sales, managing accounts, and utilizing CRM software to track progress. Essential skills include strong communication, sales strategy, negotiation, and product knowledge, often requiring a bachelor's degree and previous sales experience.