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

The Mortgage Market Mosaic: Understanding Modern Mortgage-Backed Securities

30 October 2026

The mortgage-backed securities market offers a diverse range of investment opportunities, but navigating its complexities requires a disciplined approach. Explore the market's evolution, unique risks and the potential value of bottom-up security selection.

Read

Third Quarter Fixed Income Market Insights

28 October 2026

Following a challenging third quarter for fixed income markets, rising Treasury yields, persistent inflation and shifting Federal Reserve expectations continue to shape the outlook. Learn more about October’s rebound and the key developments influencing bond markets through year end in this recent video.

Watch

Taxable Fixed Income Markets Update: September 2026

13 October 2026

Higher rates challenged fixed income markets in September, but the move also pushed yields higher. From historically tight corporate spreads to resilient shorter-duration asset-backed securities, explore the trends shaping fixed income markets.

Read