David Graham

Active Investor

Partner at Turnbridge Capital, LLC

Houston, Texas

David Graham, Partner at Turnbridge Capital, LLC is an active investor based in Houston, Texas. This profile covers what David Graham backs, at which stage, and how founders can reach out in 2026.

Investor type: VCPE
Stages: SeedSeries ASeries BLate Stage Venture
Invests in: Healthcare & BiotechBiotech & PharmaSaaS & EnterpriseClimate & EnergyIoT & Connected DevicesManufacturing & Industrial
Location: Houston, Texas
Typical check: $2M
Past investments: 2

Notable investments

MorphotekGradiant Energy Services

How to reach David Graham

Angels and operators like David Graham reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does David Graham invest in?

David Graham invests in Healthcare & Biotech, Biotech & Pharma, SaaS & Enterprise and Climate & Energy, typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.