Joe Rosenblum
Angel investor in Santa Monica
Santa Monica, California
Joe Rosenblum, Angel investor in Santa Monica is an active investor based in Santa Monica, California. This profile covers what Joe Rosenblum backs, at which stage, and how founders can reach out in 2026.
Mr. Rosenblum serves as the Chief Technology Officer at Internet Brands. Mr. Rosenblum is an Angel Investor. As Chief Technology Officer, Joe Rosenblum oversees information technology, creative services, development and architecture for Internet Brands. Rosenblum has overseen all areas of technology development for Internet Brands since 2006, when he joined the company as Vice President of Technology Development. Prior to joining Internet Brands, Rosenblum served as Engineering Manager, Portal Applications at EarthLink, Inc., an Internet service provider, where he managed a team of software engineers through all aspects of development for EarthLink Search and myEarthLink. As a staff engineer at EarthLink, he architected and oversaw implementation of "Private Labeling" of the EarthLink Personal Start Page for MCI. Rosenblum started at EarthLink Search in September 2002 as senior software engineer.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Artificial IntelligenceHealthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataCybersecurity
- Location
- Santa Monica, California
- Typical check
- $500K
- Past investments
- 1
Notable investments
How to reach Joe Rosenblum
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About this profile
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Cite this page
Round Funded. "Joe Rosenblum." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/joe-rosenblum
Frequently Asked Questions
What does Joe Rosenblum invest in?
Joe Rosenblum invests in Artificial Intelligence, Healthcare & Biotech, Digital Health & HealthTech and SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Joe Rosenblum invest at?
Joe Rosenblum typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Joe Rosenblum's typical check size?
Joe Rosenblum 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?
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