Douglas Rosenbaum, Member / Investor at Hyde Park Angels is an active investor based in Chicago, United States. This profile covers what Douglas Rosenbaum backs, at which stage, and how founders can reach out in 2026.
Douglas Rosenbaum is an operator, investor, and advisor, formerly with Salesforce, and a member/investor at Hyde Park Angels.
Douglas Rosenbaum invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture.
- Investor type
- AngelVC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- SaaS & EnterpriseConsumer & RetailFintech
- Location
- Chicago, United States
- Typical check
- $500K
How to reach Douglas Rosenbaum
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About this profile
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Cite this page
Round Funded. "Douglas Rosenbaum." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/douglas-rosenbaum
Frequently Asked Questions
Who is Douglas Rosenbaum?
Douglas Rosenbaum, Member / Investor at Hyde Park Angels is an active investor based in Chicago, United States. Douglas Rosenbaum invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture.
What does Douglas Rosenbaum invest in?
Douglas Rosenbaum invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Douglas Rosenbaum invest at?
Douglas Rosenbaum typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Douglas Rosenbaum's typical check size?
Douglas Rosenbaum 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.