Justin Griffin

Active Investor

Partner at Derne Street Capital

New York, New York

Justin Griffin, Partner at Derne Street Capital is an active investor based in New York, New York. This profile covers what Justin Griffin backs, at which stage, and how founders can reach out in 2026.

Justin (JP) Griffin is a Partner at Derne Street Capital and Principal at Merrimack Potomac + Charles.

Justin Griffin invests in PropTech & Real Estate, typically at Early Stage Venture.

Investor type
VC
Stages
Early Stage Venture
Invests in
PropTech & Real Estate
Location
New York, New York
Typical check
$500K

How to reach Justin Griffin

Angels and operators like Justin Griffin 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.

Reach active investors like this one

Get investor contacts

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. "Justin Griffin." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/justin-griffin

Frequently Asked Questions

Who is Justin Griffin?

Justin Griffin, Partner at Derne Street Capital is an active investor based in New York, New York. Justin Griffin invests in PropTech & Real Estate, typically at Early Stage Venture.

What does Justin Griffin invest in?

Justin Griffin invests in PropTech & Real Estate, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Justin Griffin invest at?

Justin Griffin typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Justin Griffin's typical check size?

Justin Griffin typically writes checks around $500K. 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.