Matthew O'Brien

Matthew O'Brien is an Associate Portfolio Manager at Dimensional Fund Advisors, with previous roles as an Investment Associate and Associate. Prior experience includes an internship in the Financial Services Office at Ernst & Young and an operations internship at Quicken Loans. Matthew O'Brien is currently pursuing a degree at the Texas McCombs School of Business from January 2023 to May 2025 and holds a Bachelor of Business Administration in Accounting and Finance from the University of Michigan - Stephen M. Ross School of Business, obtained in 2015.