Yigal Jacoby

Angel Investor Active Israel
LinkedIn
Last updated 2026-06-18
Portfolio
3
in our dataset
Rounds participated
3
Rounds led
0
Rounds' value
$4.0M
total disclosed, rounds participated
Stages
Seed, E Round, G Round, Pre-Seed, F Round, D Round, A Round

About

Yigal Jacoby is the Chairman of the Board at Allot Communications and LiveU. Yigal co-founded Allot in 1997 and served as Chairman until 2008 and CEO until 2009. After retiring as CEO, he invested in several different startups. Mr. Jacoby also founded Armon Networking, a manufacturer of RMON-based network management solutions, which was sold to Bay Networks in 1996. He briefly served as the general manager of Network Managing at Bay before founding Allot. Prior to Armon, Yigal was Director of Marketing for Tekelec from 1985 to 1992. In 2016, Yigal was named Chairman of the Board at Allot after an 8-year hiatus from the position.

Portfolio · 3

Nimble Beauty
Nail-painting Robot
1 round $1.5M committed Latest: 2018-10
KitLocate
Consumer Location Intelligence Platform
1 round $750K committed Latest: 2013-05
Appforma
Automated Marketing Platform for SMB's
1 round $1.7M committed Latest: 2013-02

Investment activity

2 portfolio exits on record.

Portfolio by sector

Business Software2
Automotive & Mobility Technologies1
Health Tech & Life Sciences1

Q&A

What is Yigal Jacoby's primary role and background?
Yigal Jacoby is an angel investor and currently serves as the Chairman of the Board at Allot Communications and LiveU. He co-founded Allot in 1997 and previously founded Armon Networking, which was sold to Bay Networks in 1996.
What is Yigal Jacoby's investment stage focus?
Yigal Jacoby invests across various stages, including Pre-Seed, Seed, A Round, D Round, E Round, F Round, and G Round.
Which companies are notable exits for Yigal Jacoby?
Yigal Jacoby has seen exits with Appforma, which was acquired by Gix in January 2016, and KitLocate, acquired by Yandex in March 2014.
What is Yigal Jacoby's sector focus for investments?
Yigal Jacoby's portfolio shows a concentration in Business Software, Automotive & Mobility Technologies, and Health Tech & Life Sciences.
Can you name some of Yigal Jacoby's portfolio companies?
Yigal Jacoby's portfolio includes Appforma and DriveU.auto
What was a recent investment by Yigal Jacoby?
Yigal Jacoby participated in a Seed round for DriveU.auto in June 2020, which raised $4M.
What was the funding stage and amount for Nimble Beauty?
Yigal Jacoby participated in an A Round for Nimble Beauty, which raised $11.65M.
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