Episode 99, David Booth, the co-founder and Chairman of Dimensional Fund Advisors (DFA), host Rick Ferri

Evidence-based investing transformed from academic theory to a trillion-dollar reality through the founding of Dimensional Fund Advisors. By applying rigorous research from the University of Chicago—specifically the work of Eugene Fama, Kenneth French, and Robert Merton—the firm pioneered small-cap and multifactor strategies that challenged traditional active management. Success relied on translating theoretical insights into practical execution, such as using trading flexibility to capture premiums in less liquid microcap stocks. The firm’s evolution reflects a broader shift in the financial industry, moving from institutional-only mandates to advisor-led distribution and the eventual adoption of tax-efficient vehicles like ETFs and direct indexing. Throughout this growth, the firm maintained a focus on systematic, research-driven approaches to risk and return, proving that academic principles provide a robust foundation for building long-term wealth.