Shlomo Kramer

Angel Investor Active Israel
Last updated 2026-06-18
Portfolio
27
in our dataset
Rounds participated
46
Rounds led
1
Rounds' value
$1.0B
total disclosed, rounds participated
Stages
Pre-Seed, Seed, A Round

About

Shlomo Kramer was born in 1966, in Israel. He is an information technology entrepreneur and investor. He currently is a Co-Founder, Chief Executive Officer & Board Member at Cato Networks.Mr. Kramer is well known for helping to establish a line of successful startups: Firewall pioneer Check Point Software Technologies, cybersecurity company Imperva, and anti-fraud company Trusteer, acquired by IBM in 2013, are among the ventures he co-founded. He is a Board Director and founding investor in a number of security, Fintech and software companies, including At-Bay, FundBox, Exabeam, Indegy, Insert Mobile, Gong, and Aqua Security, and more. During his career, Mr. Kramer has been honored with various awards, including CEO of the Year by SC Magazine in 2008, one of 20 luminaries who changed the network industry by Network World in 2006. He was also inducted into the InfoSec Hall of Fame in April 2013.

Portfolio · 27

Clover Security
Design-Led Product Security
1 round $30.0M committed Latest: 2025-11
Aryon Security
Cloud Security Enforcement Platform that shifts from reactive risk management to preventive.
1 round $9.0M committed Latest: 2025-03
Clutch Security
Securing the Invisible Ecosystem of Non-Human Identities
1 round $8.5M committed Latest: 2024-07
Token Security
Machine-first Identity Security Platform Provider
1 round $7.0M committed Latest: 2024-04
Backslash Security
Application Security Platform
1 round $8.0M committed Latest: 2023-03
Coho AI
Product Revenue Optimization Platform
1 round $8.5M committed Latest: 2023-01
Port
Internal Developer Portal
1 round $7.0M committed Latest: 2022-11
At-Bay
Cyber Insurance and Risk Management Solutions
4 rounds $238.0M committed Latest: 2021-07
Cato Networks
Cloud-based Secure Enterprise Networks
3 rounds $215.0M committed Latest: 2020-11
Lingopie
Language Learning with TV Shows and Movies
1 round Latest: 2020-03
Gong.io
Revenue Intelligence Platform
Led ★ 4 rounds $131.0M committed Latest: 2019-12
Aqua Security
Cloud-native Security Platform
4 rounds $100.0M committed Latest: 2019-04
Indegy
Industrial Cyber Security for OT/ICS Networks
3 rounds $36.0M committed Latest: 2018-08
Cynet
Threat Detection and Response Platform
1 round $13.0M committed Latest: 2018-02
Excelero Storage
Flexible Storage Network Architecture
1 round $25.0M committed Latest: 2017-11
Insert
Fast Mobile Marketing
2 rounds $15.0M committed Latest: 2016-08
SafeBreach
Breach and Attack Simulation
2 rounds $19.0M committed Latest: 2016-07
LightCyber
Behavioral Attack Detection
1 round $20.0M committed Latest: 2016-06
TopSpin Security
Deception-based Cyber Defense for Corporate Networks
2 rounds $7.0M committed Latest: 2016-01
Fundbox
AI-powered Financial Platform for Small Businesses
2 rounds $90.0M committed Latest: 2015-09
Hyperwise
Sandboxing Solutions to Combat Network Attacks and Malware
1 round $2.0M committed Latest: 2014-02
Comilion
Collaborative and Decentralized Cyber Threat Detection Platform
1 round $2.6M committed Latest: 2013-11
Lacoon Mobile Security
Enterprise Mobile Security
2 rounds $10.5M committed Latest: 2013-10
Alicanto
Automated Marketing Software
1 round $4.0M committed Latest: 2012-04
Worklight
Enterprise Mobile Application Platform
2 rounds $17.1M committed Latest: 2008-04
Imperva
Real-time Threat Intelligence and Activity Monitoring Solutions
1 round $12.0M committed Latest: 2003-06
Cyrus
Personal Cybersecurity, Privacy, and Identity Protection
1 round

Investment activity

12 portfolio exits on record.

Portfolio by sector

Cyber Security21
Business Software7
Retail Platforms1
Education & Knowledge Technologies1
Fintech & Insurtech1

Q&A

What is Shlomo Kramer's primary investment focus?
Shlomo Kramer primarily focuses on the Cyber Security sector, with 21 portfolio companies in this area, followed by Business Software with 7 companies.
What are some of Shlomo Kramer's most recent investments?
Shlomo Kramer has recently invested in Aryon Security, a cloud security platform, in April 2024, and Opti, an AI-native identity security company, in March 2023.
Which stages of investment does Shlomo Kramer typically engage in?
Shlomo Kramer primarily invests in Pre-Seed, Seed, and A Round stages. According to startupim data, he has made 19 Seed investments and 7 A Round investments as a first investor.
Has Shlomo Kramer had any notable exits recently?
Yes, Coho AI, a product revenue optimization platform, was acquired by Yotpo in April 2025. Additionally, Excelero Storage was acquired by Nvidia for $35M in March 2022.
What is Shlomo Kramer's role at Cato Networks?
Shlomo Kramer is a Co-Founder, Chief Executive Officer, and Board Member at Cato Networks, a cloud-based secure enterprise networks company that has raised $1.06B.
Can you name other significant companies Shlomo Kramer co-founded?
Beyond Cato Networks, Shlomo Kramer is known for co-founding Check Point Software Technologies and Imperva.
What is the range of investment amounts Shlomo Kramer typically makes?
Shlomo Kramer's investment range is between $1.4M and $185M.
Which of Shlomo Kramer's portfolio companies have reached a mature funding stage?
Alicanto, Exabeam, Gong.io, and Splacer are among Shlomo Kramer's portfolio companies that have reached a mature funding stage.
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