United States · 
Who invested in Zscaler?
Zscaler's investors include Lightspeed Venture Partners, Google, TPG and RSA Security.
201320142015
$38MSeries C$85MSeries D$25MSeries DUnited States · Series D startup
Who invested in Zscaler
Funding summaryUpdated 26 Oct 2026
$148Mraised across 3 rounds since 2012, from 3 sources
$38MSeries C$85MSeries D$25MSeries D
- Latest round
- Series D, $25MSept 2015
- Biggest round
- $85MSeries D · Aug 2015
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series C, $38M Aug 2012
- Biggest round
- $85M Series D · Aug 2015
- Usual gap between rounds
- 2.9 years the median of 2
The rounds
- Sept 2015
- Aug 2015Series D$85M3 new1 returning
From a historical funding record
- Aug 2012
Founders and team
From Zscaler's own website and the SEC filings it signed: 1 founder, 19 on the team.
- Adam GellerChief Product Officer
- Brendan CastleChief People Officer
- Dr. Swamy KocherlakotaChief AI Officer
- Faiyaz ShahpurwalaChief Customer Success Officer
- Kevin RubinChief Financial Officer
- Larry BiaginiChief Technology Evangelist
- Patrick FoxhovenEVP and Chief Innovation Officer
- Ross TackettChief Revenue Officer
- Sunil FridaChief Marketing Officer
- Robert SchlossmanChief Legal Officer
- James BeerIndependent Director
- Andrew BrownIndependent Director
- Charles GiancarloIndependent Director
- David SchneiderIndependent Director
- Eileen NaughtonIndependent Director
- Karen BlasingIndependent Director
- Remo CanessaExecutive Officeri
- Scott DarlingLead Independent Director
And 1 more on the team.
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 9 firms list Zscaler as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Zscaler
How much has Zscaler raised?
Zscaler has raised $148M across 3 rounds since 2012.
When did Zscaler last raise?
Zscaler's most recent round was a Series D of $25M in Sept 2015.
What was Zscaler's biggest round?
Zscaler's largest round on record is $85M (Series D), in Aug 2015.
Who backed Zscaler first?
Zscaler's first round on record, in Aug 2012, was backed by Lightspeed Venture Partners.
What stage is Zscaler at?
Zscaler's latest named round is a Series D, in Sept 2015.
Where is Zscaler based?
Zscaler is based in the United States.
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