The Team

Built by operators across cyber, legal, governance, and enterprise security.

John Johnson — Founder & CEO

Creator of Defensibility.ai and Defensible Governance™. 35 years in enterprise software, 25 years in startup GTM and sales, 22 years in cybersecurity. Seven cyber/risk startups with successful exits.

Maverick James — Co-Founder & Product Counsel

Privacy, security, and AI governance attorney. Validates legal logic, governance workflows, and defensibility requirements. CIPP/US, CIPM, Fellow of Information Privacy (FIP). Known as The Data Lawyer.

Prem K. — CTO

Enterprise security and AI/ML application development leader. Advises on the product architecture and ensures Defensible Governance is Enterprise ready.

Strategic Advisors

Every advisor is here because they lived the problem, helped build the solution, or validates that this is investable.

Rich Mason

President & Chief Security Officer, Critical Infrastructure, LLC

Former Global CSO/CISO of Honeywell, a Fortune 100 company.

Championed this company before it had a name. Contributed the prosecutorial framework. Customer of John's in 2010.

Tim Brown

General Partner and CISO in Residence, Team8.

Prior, VP Security and CISO at SolarWinds. Personally named by the SEC in the case that proved executive liability is real. The OS solves the specific problem, he knows firsthand.

Wassil Kacha

CISO | Head of Enterprise Technology, Laser Digital. Former Global Head of Data Protection, Citi:

After the first breach he led a 150-person data protection team and was involved in post breach resolution process. Citi's cases were part of what shaped the OS's thinking on governance failure.

John Kennedy

Brings 40 years of experience in Cyber Security Engineering and Management.

Distinguished Security Architect, leading pre-sales, Zoom, Ex-Ctrix, Dir. Product Security Engineering, Citrix. Holds six patents. Customer of John’s in 2011.

Jeewon Kim Serrato

Faculty Lead, UC Berkeley Law Chief Privacy Officer Program.

Former Partner & Head of Consumer Protection Practice, Pillsbury Winthrop Shaw Pittman & former CPO at Fannie Mae. Brings regulatory and academic perspective.