Yonatan Stern

Israeli-American serial entrepreneur and angel investor, known for founding multiple hi-tech software companies including ZoomInfo, and developing the SmartUp methodology.

Angel Investor Active Jerusalem, Israel Est. 1981
Visit website ↗ LinkedIn
Last updated 2026-07-20
Portfolio
0
in our dataset
Rounds participated
0
Rounds led
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Rounds' value
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total disclosed, rounds participated
Stages
A Round, Seed, Pre-Seed

About

Yonatan Stern is an Israeli-American scientist, serial entrepreneur, and angel investor. He has founded multiple hi-tech software companies, most notably ZoomInfo, and has been involved in exits totaling over a billion dollars. He was awarded the Israel Defense Prize for his contributions. Stern is also the founder of SmartUp Academy, a program dedicated to teaching entrepreneurs how to build profitable companies using his SmartUp methodology. He has invested in over a dozen companies since 2020.

Portfolio

No portfolio companies in this dataset yet.

Q&A

What is Yonatan Stern's primary role and focus today?
Yonatan Stern is a serial entrepreneur and angel investor. He currently focuses on building the SmartUp Academy, where he invests in and teaches founders the profession of building a company.
What notable companies has Yonatan Stern founded and exited?
Yonatan Stern founded CardScan, which was sold to DYMO in 2006. He also founded ZoomInfo, which was acquired by Great Hill Partners for $240 million in 2017, and later by DiscoverOrg in 2019. Another company spun from ZoomInfo, Bizo, was acquired by LinkedIn for $175 million in 2014.
What is Yonatan Stern's background in entrepreneurship?
Yonatan Stern co-founded Rosh Intelligence Systems, developing artificial intelligence tools. He then founded CardScan in 1993 and ZoomInfo in 2000, both of which had successful exits.
What is the investment stage focus for Yonatan Stern?
Yonatan Stern invests in Pre-Seed, Seed, and A Round stages.
What is the typical investment range for Yonatan Stern?
Yonatan Stern's investment range is typically between $100K and $5M.
Where is Yonatan Stern based?
Yonatan Stern is based in Israel.
Can you name some of the companies currently associated with SmartUp Academy, founded by Yonatan Stern?
Some companies associated with SmartUp Academy include Bioforum, Tickchak, Sogomatic, Inteli-chain, Clinical.site, and Opster.
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