United States · Who invested in 3SI Security Systems?
3SI Security Systems's investors include American Capital Strategies.
United States · Venture startup
Who invested in 3SI Security Systems
Funding summaryUpdated 26 Oct 2026
$13Mraised across 1 round since 2002, from 1 source
- Latest round
- Venture, $13MJul 2002
- Investors
- 1
The rounds
- Jul 2002
Founders and team
From 3SI Security Systems's own website: 8 on the team.
- Matt KushnerChief Executive Officer
- Ben TuckerExecutive Vice President of Sales
- Emily WilliamsSenior Vice President of HR
- Jason LockettSenior Vice President of Product & Engineering
- Joseph CourtesisSenior Vice President, Global Law Enforcement Division
- Mary PiferSenior Vice President of Marketing
- Charlie EricksonChief Technology Officer
- Keith DeatonChief Financial Officer / Chief Operating Officer
Quick answers about 3SI Security Systems
How much has 3SI Security Systems raised?
3SI Security Systems has raised $13M across 1 round since 2002.
When did 3SI Security Systems last raise?
3SI Security Systems's most recent round was a Venture of $13M in Jul 2002.
What was 3SI Security Systems's biggest round?
Its most recent round, $13M in Jul 2002, is also its largest on record.
Who backed 3SI Security Systems first?
3SI Security Systems's first round on record, in Jul 2002, was backed by American Capital Strategies.
What stage is 3SI Security Systems at?
3SI Security Systems's latest named round is a Venture, in Jul 2002.
Where is 3SI Security Systems based?
3SI Security Systems is based in the United States.
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In the same sector, and raised in the last eighteen months.
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