

Cornerstone Defense: Detailed Company Information & Corporate Profile
Summary
Cornerstone Defense, established in 2014, operates from Herndon, Virginia, within the U.S. The company serves the outreach services sector with a workforce of between 200 and 500 employees and generates annual revenue estimated at $50 million to $100 million.
Guided by a team that blends engineering, cybersecurity, and operational expertise, Cornerstone Defense boasts senior roles such as James McDonald (Sr. Systems Engineer), Isaac Bottoms (Virtualization Engineer), NahShon Alexander (Sr. Software Engineer), Conor Burke (Application Developer), Benjamin Hess (Senior AI DevOps Engineer), Stella Lee (Sr. Cybersecurity SME | A&A Engineer | RMF Rev. 5 | Cloud Security | AI Governance), and others who drive the organization’s technical and security initiatives.
| Cornerstone Defense Website | cornerstonedefense.com |
| Phone Number | 443-692-7333 |
| Industries | |
| Cornerstone Defense Headquarters Address | 13454 Sunrise Valley Drive, Herndon, Virginia, 20171 US |
| Company Size | 200-500 employees |
| Founded | 2014 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-10-01 |
Cornerstone Defense Org Chart
Chief Executive Officer
Chief Executive Officer
C-Level
Chief Financial Officer
Chief Growth Officer
Chief Operating Officer
Estimated Website Traffic
The chart shows a decline in traffic to the cornerstonedefense.com website. In September, traffic decreased to 274, compared to 296 in the previous month. The highest traffic in 2026 was recorded in July, reaching 308 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Cornerstone Defense's workforce includes employees across a wide range of tenure levels.
23% have been with the company for 1 to 2 years15% have been with the company for 3 to 4 years23% have been with the company for 5 to 7 years23% have been with the company for 8 to 10 years15% have been with the company for more than 11 yearsCompanies Similar to Cornerstone Defense
Cornerstone Defense Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.





