Randall Sosnick
Angel investor in Redwood City
Redwood City, California
Randall Sosnick, Angel investor in Redwood City is an active investor based in Redwood City, California. This profile covers what Randall Sosnick backs, at which stage, and how founders can reach out in 2026.
Mr. Randall Sosnick is an Angel Investor. Mr. Sosnick co-founded and served as Chief Executive Officer at Lookout Health. Randall is a serial entrepreneur, corporate advisor and investor in the areas of health care, software as a service, and mobile consumer applications. Randall was awarded a B.S. from the Haas School of Business at UC Berkeley and a J.D. from the Berkeley School of Law. After a 5-year stint as an attorney for Steve Jobs' NEXT Computer start-up, Randall founded several successful companies of his own, including Amplitude Software and Digital Foundry. He currently serves as an advisor to optimize.health, a remote patient monitoring company, and several other technology start-ups. In addition to his business activities, Randall serves as a volunteer pilot with The Flying Doctors, for whom he flies health care missions to remote villages in Mexico.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- SaaS & EnterpriseHealthcare & BiotechConsumer & RetailArtificial Intelligence
- Location
- Redwood City, California
- Typical check
- $500K
- Past investments
- 4
Notable investments
Optimize.healthHow to reach Randall Sosnick
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Cite this page
Round Funded. "Randall Sosnick." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/randall-sosnick
Frequently Asked Questions
What does Randall Sosnick invest in?
Randall Sosnick invests in SaaS & Enterprise, Healthcare & Biotech, Consumer & Retail and Artificial Intelligence, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Randall Sosnick invest at?
Randall Sosnick typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Randall Sosnick's typical check size?
Randall Sosnick 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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