R.H. Dillon is CIO of Columbus, Ohio-based Diamond Hill Investments, and CEO and president of its publicly traded parent, Diamond Hill Investment Group Inc. (DHIL). In addition to co-managing Diamond Hill Long-Short Fund, Dillon is co-portfolio manager for Diamond Hill Small Cap Fund, and Diamond Hill Select Fund. He has been with Diamond Hill since 2000, and in the investment business since 1977.
A CFA since 1982, Dillon received both his BS and MA in finance from The Ohio State University, and an MBA from University of Dayton.