The Financial Industry Regulatory Authority (FINRA) is a non-profit organization that regulates member brokerage firms and exchange markets in the United States. Established in 2007, it aims to protect investors by ensuring that the securities industry operates fairly and honestly. FINRA oversees the activities of brokerage firms and their registered representatives, enforcing compliance with federal securities laws and its own rules. It also provides education and resources for investors to help them make informed decisions in the financial markets.