Avi Rubin

Active Investor

Angel investor in Baltimore

Baltimore, Maryland

Avi Rubin, Angel investor in Baltimore is an active investor based in Baltimore, Maryland. This profile covers what Avi Rubin backs, at which stage, and how founders can reach out in 2026.

Dr. Avi Rubin served as Board Member at IronCircle. He serves as Board Advisor at ZeroFox. He is the Professor of Computer Science and Technical Director of the Information Security Institute at Johns Hopkins University. Prior to joining Johns Hopkins, He was a research scientist at AT&T Labs. he has testified before the U.S. House and Senate on multiple occasions, and he is author of several books including Brave New Ballot (Random House, 2006) Firewalls and Internet Security, second edition (with Bill Cheswick and Steve Bellovin, Addison Wesley, 2003), White-Hat Security Arsenal (Addison Wesley, 2001), and Web Security Sourcebook (with Dan Geer and Marcus Ranum, John Wiley & Sons, 1997). He is Associate Editor of IEEE Transactions on Information Forensics and Security, Associate Editor of Communications of the ACM (CACM), and an Advisory Board member of Springer's Information Security and Cryptography Book Series. He spent the 2010-2011 academic year as a Fulbright Scholar at Tel Aviv University. In January, 2004 Baltimore Magazine named he a Baltimorean of the Year for his work in safeguarding the integrity of our election process, and he is also the recipient of the 2004 Electronic Frontiers Foundation Pioneer Award. He has a B.S, ('89), M.S.E ('91), and Ph.D. ('94) from the University of Michigan.

Investor type
Angel
Stages
Early Stage VentureSeed
Invests in
Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesConsumer & RetailCybersecuritySpace & AerospaceIoT & Connected Devices
Location
Baltimore, Maryland
Typical check
$375K
Past investments
3

Notable investments

QualyticsZeroFOXIronCircle

How to reach Avi Rubin

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Avi Rubin." Round Funded investor database, updated September 8, 2026.

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

Frequently Asked Questions

What does Avi Rubin invest in?

Avi Rubin invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and MedTech & Medical Devices, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Avi Rubin invest at?

Avi Rubin typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.

What is Avi Rubin's typical check size?

Avi Rubin typically writes checks around $375K. 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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