Janet Yellen is an accomplished economist and policymaker who served as the 15th Chair of the Federal Reserve from 2014 to 2018, making her the first woman to hold this position. Prior to her role at the Federal Reserve, Yellen was the Vice Chair from 2010 to 2014 and held various other positions within the Federal Reserve System. She also served as the Chair of the Council of Economic Advisers under President Bill Clinton. Known for her expertise in labor markets and monetary policy, Yellen has made significant contributions to economic research and policy-making throughout her career.