Segment is a customer data infrastructure company that enables enterprises to collect, unify, and activate customer data from multiple sources including mobile apps, email, and in-store interactions. The platform consolidates fragmented customer data into a single repository, allowing organizations to derive actionable insights and improve customer engagement. Founded in 2011 and backed by $284 million in venture capital from top-tier investors including Accel and GV, Segment serves over 20,000 customers across diverse industries. The company was acquired by Twilio and now operates as the Twilio Segment Customer Data Platform. Signal Plug searches live against segment.com's mail server to find and verify email addresses for any Segment employee.
Signal Plug searches live against segment.com's mail server — not a static database. Get a verified email for any Segment employee with confidence score in under 2 seconds.
94% accuracy · No credit card required · 10 free searches/month
Segment is a customer data infrastructure company that enables enterprises to collect, unify, and activate customer data from multiple sources including mobile apps, email, and in-store interactions. The platform consolidates fragmented customer data into a single repository, allowing organizations to derive actionable insights and improve customer engagement. Founded in 2011 and backed by $284 million in venture capital from top-tier investors including Accel and GV, Segment serves over 20,000 customers across diverse industries. The company was acquired by Twilio and now operates as the Twilio Segment Customer Data Platform.
Competitive Advantage
Segment raised $284M at a $1.5B valuation, placing it among the most-funded CDP startups of its era. The company was accepted into Y Combinator in its founding year (2011), reflecting early market validation of the customer data problem. Segment now operates under Twilio's umbrella, enabling integration with voice, SMS, email, and video communication channels for unified customer engagement.
The most commonly verified format at Segment:
Medium ConfidenceSignal Plug tests all common patterns against Segment's live mail server and returns whichever passes the SMTP check.
Run a live search for Segment →Data-driven signals to help you prospect Segment effectively.
Enterprise organizations with complex customer data needs across multiple touchpoints and channels seek Segment to unify disparate data sources and activate insights. Companies in retail, hospitality, financial services, and ecommerce are primary buyers, as are marketing and data engineering teams evaluating CDP solutions.
Primary Contact
Chief Data Officer
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against segment.com's mail server — not a static scraped database — which means results reflect the real, current state of Segment's email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real Segment contacts before upgrading.
Enter the contact's name
Type the first and last name of the Segment employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use segment.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring Segment contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of Segment names in a single batch.
Segment competes directly with mParticle, Treasure Data, Tealium and others in the Technology space.
| Company | Size | Tier | Focus | Email Format |
|---|---|---|---|---|
| Segment | Customer Data Infrastructure, Data Management Software | firstname.lastname | ||
| mParticle | — | — | — | firstname.lastname |
| Treasure Data | — | — | — | firstname.lastname |
| Tealium | — | — | — | firstname.lastname |
| Mixpanel | — | — | — | firstname.lastname |
| Amplitude | — | — | — | firstname.lastname |
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Technology like Segment.
Based on Segment's profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at segment.com. If you have a name and the domain, you can find a verified email.
How well Segment fits a typical B2B outbound pipeline, based on available signals.
Good Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against segment.com's mail server using SMTP verification. This means results reflect the current state of Segment's email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which Segment contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against segment.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of Segment employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against segment.com in a single batch.
Segment is a customer data platform that collects customer data from multiple sources and unifies it for activation across marketing and analytics tools.
Segment was founded in 2011 and accepted into Y Combinator that same year; specific founder names are not documented in available sources.
Segment raised $284 million in venture capital at a $1.5 billion valuation from investors including Accel, GV, Meritech Capital Partners, and Thrive Capital.
Segment is now a subsidiary of Twilio (NYSE:TWLO) and is not independently public.
Signal Plug searches in real time against segment.com's mail server to find and verify email addresses for Segment employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
Start finding emails free →10 free searches · No credit card required · Upgrade from $29/month