This document provides an overview of corporate governance. It defines corporate governance as the system that directs and controls companies. It discusses several large corporate financial scandals over the decades, including Enron in 2001, Lehman Brothers in 2008, and Volkswagen in 2015. It analyzes the principles-based approach to corporate governance used in the UK versus the rules-based approach used in the US. It argues that corporate governance is needed to prevent corruption, bankruptcy, and reputational losses for companies. Effective corporate governance benefits companies by improving relations with shareholders and investors, increasing investor trust, and ensuring the longevity of the company.