The Challenger Sales model is a sales approach that emphasizes teaching, tailoring, and taking control of customer conversations. It categorizes salespeople into five types: Relationship Builders, Hard Workers, Lone Wolves, Reactive Problem Solvers, and Challengers. Among these, Challengers are seen as the most effective, as they engage customers by offering unique insights and challenging their thinking. Challenger Sales focuses on understanding the customer's business and providing solutions that address their specific needs. This method encourages sales professionals to lead discussions, share valuable information, and guide customers toward making informed decisions, ultimately driving better sales outcomes.