Biography · Business & Enterprise
David J. Grain
1962–
United States
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Biography
David J. Grain (born May 31, 1962) is an American entrepreneur, businessman, and philanthropist. He is the current chief executive officer (CEO) of the global investment firm Grain Management LLC, which he founded in 2007 and is headquartered in Washington D.C. His firm invests exclusively in the telecommunications sector, using what the firm refers to as "algorithmic, computational investment analysis" to inform its investment decisions.
Sources & collection details
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Biography text · CC BY-SA 4.0 · Source checked 2026-10-13