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

Taxable Fixed Income Markets Update: July 2026

13 August 2026

Higher Treasury yields and shifting Fed expectations weighed on taxable fixed income markets in July. Treasurys, investment grade corporates and securitized sectors all declined, while credit spreads remained relatively contained and issuance stayed strong.

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Securitization in Focus — July 2026

12 August 2026

From consumer spending and data center financing to record issuance and commercial mortgage-backed securities credit pressure, explore the key developments shaping securitized markets in July. (3 min read)

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Geopolitics Rewrite the Rate Narrative

22 July 2026

From Middle East tensions to a more hawkish Federal Reserve, explore the forces rewriting the rate narrative and fueling volatility across fixed income markets.

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