This report delves into the significance of upward communication within multinational companies and its profound impact on senior leadership behavior. It explores the changing landscape of MNCs, highlighting leadership challenges and the evolution of leadership styles, including the application of Herzberg's Two-Factor Theory. The report emphasizes the importance of open communication, drawing on Ed Schein's insights and the 'Humble Inquiry' process to foster a positive organizational culture. It examines factors hindering open communication in multicultural environments, such as stereotyping and factionalism, while also addressing the emergence of disturbed leadership. Through this analysis, the report offers valuable insights into enhancing communication, promoting effective leadership, and cultivating a thriving work environment within complex multinational organizations.