Jeff Ptak: Hi, and welcome to The Long View. I'm Jeff Ptak, chief ratings officer at Morningstar Research Services. Christine Benz: And I'm Christine Benz, director of personal finance for Morningstar. Ptak: Our guest this week is Gerard O'Reilly. Gerard is co-CEO and chief investment officer of Dimensional Fund Advisors, an asset manager headquartered in Austin, Texas, that manages more than $600 billion using a systematic investing approach. In his role Gerard works with his co-CEO, Dave Butler, to set the firm's vision and strategy while also overseeing its investment processes. Prior to assuming his current post, Gerard was Dimensional's head of research. In addition to serving as a Dimensional director, Gerard co-chairs the firm's Investment Research Committee and is a member of its Investment Committee. Gerard obtained his doctorate in aeronautics from the California Institute of Technology and his master's degree in high-performance computing from Trinity College, Dublin.