Sentinel

sentinel.security

Richardson, Texas, United States

11-50 employees

LinkedIn Profile

About Sentinel

independent security surveys, law enforcement collaboration, executive search, risk assessment, proprietary data analysis, security team training, threat mitigation, risk analysis tools, security strategy customization, data protection, bespoke security planning, consulting, services, security technology, security services, tax compliance security review, emergency response, high-net-worth individual protection, executive protection, travel security

Sentinel's Tech Stack

AI/ML

Decision Makers at Sentinel

1 contact

Charles Marino

Chief Executive Officer

c***@sentinel.security Sign up to view

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7 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Sentinel's Position in the StackWho Database

• Sentinel is 1 of 1,900 security & investigations companies tracked in StackWho.
• 1,894 security & investigations companies in our database have verified decision-maker emails (100% of the cohort).
• 22,781 companies in Texas are in the StackWho database.
• 767 security & investigations companies are in the 11-50 employee range (same size as Sentinel).

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 Sentinel use?

Sentinel uses Cloudflare DNS, Outlook, Microsoft Office 365, Amazon AWS, Mobile Friendly, WordPress.org, and 1 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Sentinel?

StackWho has verified email addresses for 1 decision maker at Sentinel. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Sentinel directly for sales, recruiting, or partnerships.

What industry is Sentinel in?

Sentinel operates in the security & investigations industry, headquartered in Richardson, Texas, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Sentinel's contact data?

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