This report analyzes the impact of digital technology on management and leadership styles for the Finance, Marketing and Restaurant Managers of Hazev, Haz and Tas chains of restaurant. It includes an assessment of several theories of management, understanding the role of any leader and several types of leadership, a proper review of the various different styles of management and leadership followed in Hazev, Haz and Tas Chains of Restaurant, and the significant effect of the digital technology on both external and internal management styles.