Our Team
Built on real expertise
Clients come to ProCircular when security questions need real answers: where they’re exposed, what those gaps could lead to, what happened, and what to do next. Our team brings the technical depth to turn findings, alerts, incidents, and compliance questions into clear decisions and practical next steps.
Our Leadership
ProCircular’s leadership team brings deep experience across offensive security, defensive operations, governance, compliance, incident response, AI, client advisory, and business operations.
Aaron Warner
Chief Executive Officer
JD Durham
CFO/COO
Brandon Blankenship
CISO
Tim Lansing
Director of Defensive Security Operations
Jim Sherlock
VP of AI & Cybersecurity
Trevor Burke
GRC Manager
Matt Messenger
Senior PMO Manager
Andrew Chipman
Director of GRC & ISO
Warren B.
Offensive Cyber Operations Manager
The people behind the work
Our clients need to understand where they’re exposed, what those gaps could lead to, and which steps will actually reduce risk. Across ProCircular, engineers, analysts, consultants, advisors, project managers, and operators make that happen every day by assessing risk, monitoring threats, responding to incidents, advising teams, supporting compliance, and helping clients make safer decisions about AI.
Explore ProCircular
Managed Extended Detection & Response
Penetration Testing
Financial Services
Why ProCircular