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 & Biotech
Location
Houston, Texas
Typical check
$2M
Past investments
2

Notable investments

MorphotekGradiant Energy Services

How to reach David Graham

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "David Graham." Round Funded investor database, updated September 25, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/david-graham-houston

Frequently Asked Questions

What does David Graham invest in?

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

What stage does David Graham invest at?

David Graham typically invests at Seed, Series A, Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is David Graham's typical check size?

David Graham typically writes checks around $2M. Use it as a signal for whether your raise fits their stage.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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