Douglas Gimple | Diamond Hill

Client Portfolio Manager

Douglas Gimple is a client portfolio manager at Diamond Hill, a First Eagle Investments Company. He became part of First Eagle in 2026 upon the firm's acquisition of Diamond Hill. Prior to joining the firm in June 2016, he was an executive director and senior client portfolio manager at J.P. Morgan Asset Management. Before that, he was an institutional investment manager at Banc One Investment Advisors. Douglas earned a BS in finance from Miami University and a MBA from the University of Dayton.

Recent insights

100 Days of Conflict: Oil, Inflation and Rates

17 June 2026

One hundred days into the Middle East conflict, higher oil prices have renewed inflation pressure, shifted Fed expectations and created selective opportunities across fixed income sectors.

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Taxable Fixed Income Markets Update: May 2026

11 June 2026

Fixed income markets remained focused on geopolitical risks, economic news and the Fed in May. Douglas Gimple unpacks the latest on Treasuries and rates, corporate credit and securitized credit for the month of May. (4 min read)

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Securitization in Focus — May 2026

8 June 2026

Explore the latest in securitized markets: VantageScore adoption, student-loan repayment risk, rate volatility and issuance trends. (3 min read)

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