This document discusses the impact of institutional investors on corporate governance practices. It defines different types of institutional investors like pension funds, mutual funds, insurance companies, and hedge funds. Pension funds and insurance companies are the largest institutional investors, collectively holding over $30 trillion in assets globally. The growth of institutional investors is bringing financial markets and corporate governance standards closer internationally. Countries with more developed pension systems like the US and UK have pension funds as their dominant institutional investors, while insurance companies dominate in countries like Japan, France and Germany. Large pension funds like CalPERS and TIAA-CREF are leading advocates for better corporate governance.