J. David Harris is a Partner at SineWave Ventures. He previously spent 32 years at the National Security Agency and served as a Senior Advisor at Johns Hopkins University.
What J. can write
SineWave Ventures writes $1M to $10M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: SineWave Ventures.Career
- National Security Agency · Cryptologic Mathematician
- National Security Agency · Defense Intelligence Senior Leader2004
- Laboratory for Analytic Sciences · Director
- SineWave Ventures · PartnerNow
Focus
Education
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is J. David Harris?
J. David Harris is a Partner at SineWave Ventures. He previously spent 32 years at the National Security Agency and served as a Senior Advisor at Johns Hopkins University.
How much does J. David Harris invest?
J. David Harris invests through SineWave Ventures, which writes checks of $1M to $10M at seed, series a.
How do I pitch J. David Harris?
Email [email protected], the firm's inbox for founders, and name J. in the subject. A warm intro from a founder SineWave Ventures backed works better.
What did J. David Harris do before SineWave Ventures?
Cryptologic Mathematician at National Security Agency; Defense Intelligence Senior Leader at National Security Agency; Director at Laboratory for Analytic Sciences.
Last updated 2026-10-15. Is this you? Ask for a correction.