David Grain (#1819)
- $ 2 B
- Private equity
- United States
- M
- 63 Years
Rest in Peace Ask Jeeves, every search comes to an end
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Greg Brockman says his stake in OpenAI is worth nearly $30 billion
TeraWulf Announces Participation in Upcoming Investor and Industry Conferences
About Me
David Grain is the CEO of Grain Management, a private equity firm he founded in 2007. Grain Management is focused on broadband and communication infrastructure investments. Before founding Grain Management, he led wireless infrastructure company Global Signal from bankruptcy to IPO. Grain Management purchased 15 megahertz of spectrum in T-Mobile's 800 MHz band in 2025 and Quintillion, an Alaskan fiber-optic network, in 2024. Grain and his wife founded the Grain Fellows Program in 2004, funding SAT and college prep, application fees and mentorship for low-income students at Booker High School in Sarasota, Florida.
Achievements
Career Highlights
A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped David Grain’s rise and global influence.
Wealth Growth
Net Worth Growth Over Time
Tracking David Grain’s net worth journey over the years, highlighting key growth phases and financial milestones.
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