About Caliber Security Partners
Caliber has been trusted by Fortune 500 organizations for over 15 years; not because we're the biggest firm, but because we do the work right and our clients know it.
How We Work
We collect friends first and clients second. That is not a tagline. It is how Caliber has operated since day one, and it is why clients who find us tend to stay.
Security done right does not mean the most expensive option or the most aggressive one. It means the right scope, the right team, and findings your leadership can actually act on. Not too much. Not too little. Done correctly.
We are a relationship firm with an enterprise track record. When you work with Caliber, you work with the same people from scoping call to final report.
Meet The Team
Catherine Pierce
Chief Executive Officer
Catherine leads Caliber Security Partners as CEO, overseeing operations, financial performance, and the firm's growth strategy. With over 15 years building Caliber from the inside, she brings the operational depth and financial stewardship that enterprise clients depend on. Catherine is currently leading Caliber's Woman Owned Business Enterprise certification, expanding the firm's eligibility for government and institutional contracts that require verified women-owned business status. She ensures that every client engagement is backed by the infrastructure, accountability, and follow-through that a 15-year firm should deliver.
Tab Pierce
Founder, President, Chief Revenue Officer
Tab founded Caliber Security Partners in 2010 on a straightforward belief: security work should be done with the same rigor you would demand if it were your own systems at risk. With 28 years in the security industry, spanning practitioner, leadership, and advisory roles, he brings a depth of market perspective and client relationships that most firms cannot replicate. Tab focuses on strategic partnerships, business development, and the client relationships that have built Caliber's 15-year track record. He is also the author of Outlast Everything, a framework for building businesses and careers that endure.
Collin Willis
Director of Technical Security Services
Collin leads Caliber's technical delivery, overseeing penetration testing, application security, DAST, TrustPlus, and every technical work product that leaves the firm. He sets the standard for how engagements are scoped, executed, and reported, ensuring that findings are not just accurate but actionable for both technical teams and executive leadership. With hands-on experience across a wide range of client environments, Collin brings the kind of technical authority that gives clients confidence before the engagement begins and results they can act on when it ends.
Ryan Fairhurst
Penetration Tester
Ryan Fairhurst supports Caliber's penetration testing and application security work, helping clients identify vulnerabilities across networks, applications, and supporting infrastructure. He also helped develop TrustPlus, Caliber's vulnerability management platform, bringing hands-on testing experience into a more efficient way to validate and manage security risk.
Ryan Wagner
Penetration Tester
Ryan Wagner supports Caliber's penetration testing and application security work, helping clients uncover practical, real-world vulnerabilities across networks, applications, and supporting infrastructure. His focus is on delivering clear, useful findings that help technical teams strengthen security without unnecessary noise.
Jonathan Landis
Co-Founder, Senior Application Security Engineer
Jonathan brings more than 20 years of application security testing and software development experience to Caliber Security. He joined the team through Caliber's acquisition of Third Defense, where he was a co-founder, shareholder, and lead developer. Jonathan combines deep development experience with hands-on security testing expertise, helping clients identify weaknesses in their applications and improve the security of the software they rely on.
Chad Butler
Advisory Board Member, Enterprise CISO
Chad is a Caliber Advisory Board Member and senior application security executive with more than 20 years of experience. He is the founder of Mission InfoSec and Co-Founder and CTO of Lunir, with past product security leadership roles at Disney, AWS, SAP, and other major organizations. His expertise spans application security, DevSecOps, drone security, and product security strategy.
Gordon Parkman
Advisory Board Member, Operations and Finance
Gordon is a Caliber Advisory Board Member who supports Caliber's operations, strategy, and business execution. He brings over 55 years of business experience, including 40 years in corporate leadership and 17 years as President of his own business. His background includes deep experience helping small and mid-sized companies improve performance, strengthen leadership, build business value, and achieve sustained results. His expertise spans entrepreneurial leadership, strategic thinking, succession and exit planning, management, sales, customer loyalty, and business process improvement.
Jim Hardwick
Advisory Board Member, Sales & Growth
Jim Hardwick brings more than 25 years of executive leadership experience helping small and midsize business owners grow revenue, strengthen teams, and build businesses with purpose. As the creator of Magnificent Significance, Jim helps leaders align sales growth with servant leadership and long-term impact. His background spans sales, executive leadership, nonprofit work, and global business experience across 42 countries.
Coach
Chief Barketing Officer
Coach is Caliber's Chief Barketing Officer and resident good boy. He specializes in team morale, snack detection, backyard surveillance, and front-door threat monitoring. While he has not yet earned any cybersecurity certifications, his perimeter awareness is excellent, especially when delivery drivers are involved.
Caliber by the Numbers
Years in business serving enterprise clients
Clients across healthcare, finance, and technology
Client return rate
Certification in progress, 2026
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