David J. Colligan

Active Investor

Angel investor in Buffalo

Buffalo, New York

David J. Colligan, Angel investor in Buffalo is an active investor based in Buffalo, New York. This profile covers what David J. Colligan backs, at which stage, and how founders can reach out in 2026.

David J. Colligan is a business and natural resource attorney, angel investor, and managing partner at Colligan Law LLP.

David J. Colligan invests in Climate & Energy, typically at Seed and Early Stage Venture.

Investor type
AngelVC
Stages
SeedEarly Stage Venture
Invests in
Climate & Energy
Location
Buffalo, New York
Typical check
$375K

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Round Funded. "David J. Colligan." Round Funded investor database, updated November 3, 2026.

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

Frequently Asked Questions

Who is David J. Colligan?

David J. Colligan, Angel investor in Buffalo is an active investor based in Buffalo, New York. David J. Colligan invests in Climate & Energy, typically at Seed and Early Stage Venture.

What does David J. Colligan invest in?

David J. Colligan invests in Climate & Energy, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does David J. Colligan invest at?

David J. Colligan typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is David J. Colligan's typical check size?

David J. Colligan typically writes checks around $375K. 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.