William Grenawitzke, Angel investor in New York is an active investor based in New York, United States. This profile covers what William Grenawitzke backs, at which stage, and how founders can reach out in 2026.
William Grenawitzke is Managing Director at Oberon Securities, LLC, focusing on M&A, equity and debt advisory in biopharma and AI-native drug discovery.
William Grenawitzke invests in Healthcare & Biotech and Artificial Intelligence, typically at Early Stage Venture.
- Investor type
- AngelVC
- Stages
- Early Stage Venture
- Invests in
- Healthcare & BiotechArtificial Intelligence
- Location
- New York, United States
- Typical check
- $500K
How to reach William Grenawitzke
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Round Funded. "William Grenawitzke." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/william-grenawitzke
Frequently Asked Questions
Who is William Grenawitzke?
William Grenawitzke, Angel investor in New York is an active investor based in New York, United States. William Grenawitzke invests in Healthcare & Biotech and Artificial Intelligence, typically at Early Stage Venture.
What does William Grenawitzke invest in?
William Grenawitzke invests in Healthcare & Biotech and Artificial Intelligence, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Grenawitzke invest at?
William Grenawitzke typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is William Grenawitzke's typical check size?
William Grenawitzke 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.