David Booth, Founder and Chairman of Dimensional Fund Advisors, is a pioneer in the world of finance and a stalwart advocate for index fund investing. With a career spanning decades, David's contributions to the financial industry have been profound, shaping the way investors approach the markets. His work with Dimensional Fund Advisors has been instrumental in promoting the benefits of evidence-based investing, emphasizing the importance of empirical research and data-driven strategies. Mark Hebner, CEO and Founder of Index Fund Advisors (IFA), is a leading voice in the promotion of index fund investing and financial education. With a mission to help investors make informed decisions, Mark has dedicated his career to demystifying the complexities of the financial world. His seminal work, "Index Funds: The 12-Step Recovery Program for Active Investors," now in its latest edition, provides invaluable insights into the principles of index investing and the pitfalls of active management. Under his leadership, IFA has grown into a trusted advisor, guiding investors towards achieving their long-term financial goals with confidence and clarity. Together, David Booth and Mark Hebner share a wealth of knowledge and experience, offering unique perspectives on the evolution of index fund investing, the enduring partnership between Dimensional and IFA, and the future of financial advisory services. Their collaboration in celebrating IFA's 25th Anniversary highlights the enduring impact of their contributions to the world of finance, providing viewers with a rare glimpse into the minds of two of the industry's most influential figures.