Expel

Q: Who is the Deputy CISO of Expel?

David Stoicescu is the Deputy CISO at Expel. Get verified contact information on StackWho.

Q: Who is the Director of Product Design & Technical Documentation of Expel?

Abbey Smalley is the Director of Product Design & Technical Documentation at Expel. Get verified contact information on StackWho.

Q: Where is Expel located?

Expel is based in Herndon, Virginia, United States.

Q: What industry is Expel in?

Expel operates in the computer & network security industry.

expel.io

computer & network security

expel.io

Herndon, Virginia, United States

201-500 employees

85000000 revenue

LinkedIn Profile

About Expel

resilience recommendations, monitor 24x7, security device monitoring, advanced threat detection, finger pistol free culture, security operations, managed detection & response, snark, 3 infosec, weekly lunch, managed security service, remediation guidance, transparent managed security, investigate & respond, lt3 infosec, incident validation & notification, information security, threat landscape analysis, security integrations, cloud security

Expel's Tech Stack

AI/ML

Decision Makers at Expel

13 contacts

David Stoicescu

Deputy CISO

d***@expel.io Sign up to view

Abbey Smalley

Director of Product Design & Technical Documentation

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

Robin Giannattasio

Engineering Manager

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

Kitty Louie

Senior Engineering Manager

k***@expel.io Sign up to view

Andrew Regan

Engineering Manager

a***@expel.io Sign up to view

Stuart Pickard

VP of Sales Engineering

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

David Pearson

Director, Detection & Response Engineering

d***@expel.com Sign up to view

Christina Ruddle

Engineering Manager

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

Fred House

VP of Detection Engineering & Innovation

f***@expel.com Sign up to view

Jake Payton

Director of Engineering, Data Platform

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

Dermot Duffy

Senior Software Engineering Manager

d***@expel.io Sign up to view

Cian O'Flanagan

Engineering Manager

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

David Casagrande

Engineering Manager

d***@expel.io Sign up to view

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58 technologies detected · 13 decision makers · Emails available

Sales Outreach Angle

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Expel's Position in the StackWho Database

• Expel 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).
• 6,974 companies in Virginia are in the StackWho database.
• 134 computer & network security companies are in the 201-500 employee range (same size as Expel).

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 Expel use?

Expel uses Cloudflare DNS, Gmail, Google Apps, Zendesk, Amazon AWS, Pantheon, and 52 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Expel?

StackWho has verified email addresses for 13 decision makers at Expel. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Expel directly for sales, recruiting, or partnerships.

What industry is Expel in?

Expel operates in the computer & network security industry, headquartered in Herndon, Virginia, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Expel's contact data?

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