Brett Rosenberg

Active Investor

Angel investor in Spain

Spain

Brett Rosenberg, Angel investor in Spain is an active investor based in Spain. This profile covers what Brett Rosenberg backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Location
Spain
Typical check
$150K
Past investments
3

Notable investments

Rubicon Project (Acquired Chango - April 2015)Chango (Acquired by Rubicon Project - April 2015)EQ Works

How to reach Brett Rosenberg

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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. "Brett Rosenberg." Round Funded investor database, updated September 9, 2026.

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

Frequently Asked Questions

Who is Brett Rosenberg?

Brett Rosenberg is an active investor, Angel investor in Spain. Round Funded tracks their focus and activity alongside thousands of investors.

What stage does Brett Rosenberg invest at?

Brett Rosenberg typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Brett Rosenberg's typical check size?

Brett Rosenberg typically writes checks around $150K. 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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