Michael Dolinsky

An Israeli serial entrepreneur and angel investor, co-founder and former CTO of Ermetic, acquired by Tenable.

Angel Investor Active Tel Aviv, Israel
Last updated 2026-07-20
Portfolio
2
in our dataset
Rounds participated
2
Rounds led
0
Rounds' value
$1.6M
total disclosed, rounds participated
Stages
A Round, Seed, Pre-Seed

About

Michael Dolinsky is an Israeli serial entrepreneur and angel investor. He is best known as a co-founder and former CTO of Ermetic, a cloud security company that was acquired by Tenable in 2023. Prior to Ermetic, he co-founded Aorato, which was acquired by Microsoft. He also invests as an angel in other Israeli startups.

Portfolio · 2

Investment activity

1 portfolio exit on record.

Portfolio by sector

Cyber Security2
Business Software1
Fintech & Insurtech1

Q&A

What is Michael Dolinsky's primary investment focus as an angel investor?
Michael Dolinsky is an angel investor who focuses on early-stage deals, specifically Seed and A Round investments.
What is Michael Dolinsky's professional background?
Michael Dolinsky is currently the Co-founder & CTO of Ermetic. Previously, he co-founded Aorato, which was acquired by Microsoft in 2014 for $200M. He also held Principal Engineering and Group Manager roles at Microsoft and led cybersecurity projects in the defense industry.
Which sectors does Michael Dolinsky primarily invest in?
Michael Dolinsky shows a concentration in Cyber Security, with two portfolio companies in this sector, and also has investments in Business Software and Fintech & Insurtech.
Can you name a notable exit from Michael Dolinsky's portfolio?
A notable exit from Michael Dolinsky's portfolio is Solebit Labs, which was acquired by Mimecast for $88M in July 2018.
Which portfolio companies are most representative of Michael Dolinsky's investment strategy?
Michael Dolinsky's portfolio includes Panorays, an automated third-party security management platform, and Brew, a marketing strategy platform.
What is Michael Dolinsky's involvement with other venture capital networks?
Michael Dolinsky serves as a Member of Glilot Capital's exclusive network of entrepreneurs and key individuals in the Israeli startup ecosystem and is an Insider at YL Ventures Insiders Network.
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