Sam Weinberger

Active Investor

Managing Partner at Sierra Stone Capital

Chicago, United States

Sam Weinberger, Managing Partner at Sierra Stone Capital is an active investor based in Chicago, United States. This profile covers what Sam Weinberger backs, at which stage, and how founders can reach out in 2026.

Sam Weinberger is Managing Partner at Sierra Stone Capital and President of Key Autism Services.

Sam Weinberger invests in Healthcare & Biotech, typically at Early Stage Venture.

Location
Chicago, United States
Typical check
$500K

What does Sam Weinberger invest in?

Investor type
VC
Stages
Early Stage Venture

Where is Sam Weinberger based?

Sam Weinberger is based in Chicago, United States.

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How to reach Sam Weinberger

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Round Funded. "Sam Weinberger." Round Funded investor database, updated September 22, 2026.

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

Frequently Asked Questions

Who is Sam Weinberger?

Sam Weinberger, Managing Partner at Sierra Stone Capital is an active investor based in Chicago, United States. Sam Weinberger invests in Healthcare & Biotech, typically at Early Stage Venture.

What does Sam Weinberger invest in?

Sam Weinberger invests in Healthcare & Biotech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sam Weinberger invest at?

Sam Weinberger typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Sam Weinberger's typical check size?

Sam Weinberger typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Sam Weinberger based?

Sam Weinberger is based in Chicago, United States.

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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