Dimensional Fund Advisors (DFA) is an investment management firm founded in 1981, known for its focus on academic research and evidence-based investing. The firm specializes in creating mutual funds and other investment products that aim to capture specific dimensions of expected returns, such as size and value, based on insights from financial science. DFA primarily serves institutional investors, financial advisors, and individual investors. The firm emphasizes a systematic approach to investing, utilizing strategies that are grounded in empirical research. This approach seeks to enhance long-term investment performance while managing risks effectively.