What technologies does Twenty use?

Twenty uses NSOne, MailJet, Gmail, Google Apps, Microsoft Office 365. View their full technology stack — including all 7 detected tools — on StackWho.

Who is the Chief Technology Officer of Twenty?

Leo Olson is the Chief Technology Officer at Twenty. Get verified contact information on StackWho.

Who is the Co-Founder of Twenty?

Skyler Onken is the Co-Founder at Twenty. Get verified contact information on StackWho.

Where is Twenty located?

Twenty is based in Arlington, Virginia, United States.

Twenty

Q: What industry is Twenty in?

Twenty operates in the computer & network security industry.

twenty.io

computer & network security

twenty.io

Arlington, Virginia, United States

11-50 employees

LinkedIn Profile

About Twenty

defense, national security, cyber, intelligence, veterans-led, democracy support, strategic deterrence, intelligence operations, risk management, warfare technology, cyberspace warfare, electromagnetic domain, information edge, defense technology, offensive intelligence, engineering services, defense & national security, cybersecurity, democratic resilience, wwii intelligence legacy

Twenty's Tech Stack

Decision Makers at Twenty

2 contacts

Leo Olson

Chief Technology Officer

l***@twenty.io Sign up to view

Skyler Onken

Co-Founder

s***@twenty.io Sign up to view

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7 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

Twenty uses NSOne, MailJet, Gmail among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Twenty's Position in the StackWho Database

• Twenty 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.
• 2,072 computer & network security companies are in the 11-50 employee range (same size as Twenty).

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 Twenty use?

Twenty uses NSOne, MailJet, Gmail, Google Apps, Microsoft Office 365, Mobile Friendly, and 1 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Twenty?

StackWho has verified email addresses for 2 decision makers at Twenty. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Twenty directly for sales, recruiting, or partnerships.

What industry is Twenty in?

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

Can I export Twenty's contact data?

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