HackerOne

HackerOne

hackerone.com

computer & network security

San Francisco, California, United States
201-500 employees
50000000 revenue

About HackerOne

enterprise software, security, data security, mobile security, software, internet, mobile, big data, information technology, cybersecurity trends, security automation tools, public sector security, government cybersecurity, security community, financial services, vulnerability reports analysis, computer systems design and related services, b2b, ethical hackers, public-private cybersecurity collaboration

Decision Makers at HackerOne

11 contacts

Jarret Raim

VP of Product

j***@hackerone.com Sign up to view

Esther Wolting

Senior Engineering Manager

e***@hackerone.com Sign up to view

Martijn Wouters

Engineering Manager

m***@hackerone.com Sign up to view

Robin Leeuwerke

Senior Director of Software Engineering

r***@hackerone.com Sign up to view

Kelcey Morton

Analytics Engineering Manager

k***@hackerone.com Sign up to view

Volodymyr Osypov

Software Engineering Manager

v***@hackerone.com Sign up to view

Laurie Mercer

Director Solutions Engineering

l***@hackerone.com Sign up to view

Arkadiusz Ostrycharz

Senior Engineering Manager

a***@hackerone.com Sign up to view

Spencer Chin

Senior Director of Sales Engineering, Americas

s***@hackerone.com Sign up to view

Rhett Dillingham

Senior Vice President, Product

r***@hackerone.com Sign up to view

Chris Evans

CISO and Chief Hacking Officer

c***@hackerone.com Sign up to view

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47 technologies detected · 11 decision makers · Emails available

Sales Outreach Angle

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HackerOne's Position in the StackWho Database

  • HackerOne is 1 of 4,889 computer & network security companies tracked in StackWho.
  • 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
  • 53,147 companies in California are in the StackWho database.
  • 134 computer & network security companies are in the 201-500 employee range (same size as HackerOne).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does HackerOne use?

HackerOne uses Amazon SES, Gmail, Marketo, Google Apps, Microsoft Office 365, Zendesk, and 41 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at HackerOne?

StackWho has verified email addresses for 11 decision makers at HackerOne. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach HackerOne directly for sales, recruiting, or partnerships.

What industry is HackerOne in?

HackerOne operates in the computer & network security industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export HackerOne's contact data?

Yes. StackWho Pro members can export decision maker contact data for HackerOne and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.