This document discusses the evolving roles of executives in business from the early 20th century to present. It makes three key points: 1. Executives were traditionally seen as managers from 1908-1977, focusing on efficient administration. From 1977-2001, the role shifted to a leader emphasizing inspiration. 2. There is debate around whether the best leaders are visionary "larger than life" figures or more humble and self-effacing. Collins argued for the latter "Level 5" leaders, while others emphasized ambitious risk-takers. 3. Effective executives must master the trinity of managing, leading, and directing/commanding. These roles involve different skills and mindsets around intellectual,