Daniel E. Rosen, Partner at Sphaeris Capital Management LLC is an active investor based in New York, New York. This profile covers what Daniel E. Rosen backs, at which stage, and how founders can reach out in 2026.
Daniel E. Rosen is a Partner at Sphaeris Capital Management LLC and a board member at Arterex.
Daniel E. Rosen invests in Healthcare & Biotech, typically at Early Stage Venture, Seed and Series A.
- Investor type
- VC
- Stages
- Early Stage VentureSeedSeries A
- Invests in
- Healthcare & Biotech
- Location
- New York, New York
- Typical check
- $500K
How to reach Daniel E. Rosen
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Round Funded. "Daniel E. Rosen." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/daniel-e-rosen
Frequently Asked Questions
Who is Daniel E. Rosen?
Daniel E. Rosen, Partner at Sphaeris Capital Management LLC is an active investor based in New York, New York. Daniel E. Rosen invests in Healthcare & Biotech, typically at Early Stage Venture, Seed and Series A.
What does Daniel E. Rosen invest in?
Daniel E. Rosen invests in Healthcare & Biotech, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Daniel E. Rosen invest at?
Daniel E. Rosen typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Daniel E. Rosen's typical check size?
Daniel E. Rosen 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.