This document discusses the evolution and current status of corporate governance. It begins with an introduction to corporate governance and its importance. It then outlines the development of corporate governance codes and best practices in both the UK and US in response to major corporate collapses in the 1990s and 2000s. These include the Cadbury Report, Sarbanes-Oxley Act, and various OECD principles. It also discusses the development of corporate governance guidelines and codes in Sri Lanka beginning in the late 1990s and 2000s issued by organizations like the ICASL and SEC. Finally, it provides an overview of key agents and responsibilities in corporate governance systems in Sri Lanka.