Fable Security

Backed byGreylock Partners
Total raised$31.0M
Hiring pace4 roles / 90d
Founded2024
Team size11-50
HQSan Francisco, California
Industries

About Fable Security

Fable is a human risk platform that shapes employee behavior to reduce cybersecurity threats across enterprises of all sizes, from SMBs to Fortune 500 organizations. Founded by early Abnormal Security team members and backed by leading venture firms Redpoint Ventures and Greylock Partners, the company has built the first AI-native Human Behavior Platform designed to eliminate human risk across enterprises. With a team comprising alumni from Meta, Twitter, Flexport, and top universities including Stanford, CMU, Berkeley, and others, Fable operates in the multi-billion-dollar cybersecurity market and is experiencing explosive growth as organizations increasingly recognize the critical need to address human-centric security vulnerabilities.

Open positions · 5

Company at a glance

Location
San Francisco, California
Investors
Greylock Partners ·Redpoint Ventures

Founders & Leadership

NJ

Nicole Jiang-Gibson

Co-founder & CEO @ Fable Security | Ex-Abnormal AI, Palantir, Microsoft

LinkedIn
SL

Sanny Liao

Cofounder at Fable Security | We are hiring!

LinkedIn
DT

Dee T.

Engineering Leader | Founding Engineer @ Fable Security

LinkedIn
D黎

Derek Li 黎霆钧

Fighting Bad AI with Good AI

LinkedIn
HS

Haley Sayres

Technical Solutions @ Fable Security

LinkedIn

Location

About the Team

Team Distribution

  • Engineering36%
  • Sales & Business Development21%
  • Specialized Functions16%
  • Product & Design13%
  • Leadership7%

Where the Team Studied

  1. 1.Stanford University
  2. 2.University of Waterloo
  3. 3.University of California, Berkeley
  4. 4.UCLA
  5. 5.Cornell University

Team Worked At

  • Abnormal AI
  • Google
  • Palo Alto Networks
  • Palantir Technologies
  • Flexport

Team Composition

42 people
  • Engineering3 senior15
  • Operations2 senior5
  • Media and Communication3
  • Sales2
  • Arts and Design1
  • Customer Success and Support1
  • Entrepreneurship1 senior1
  • Human Resources1 senior1

Culture & values

Values impact over process with quick shipping and iteration

Engineers have high ownership and autonomy

Operates with tight feedback loops across product and engineering

Prioritizes technical rigor, simplicity, and long-term scalability

Experiencing explosive growth creating career-defining opportunities

Funding History

EquityJul 2025

$31M

raised

Valuation: $120M

Human risk management platform Fable raised $31M (seed and Series A) from Greylock Partners and Redpoint Ventures.

Greylock PartnersRedpoint Ventures

Life at Fable Security

Frequently asked questions

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