CastNet Team Profile
Bart Holzer

Bart Holzer

Co-Founder & Secretary

Bart Holzer is a security executive with more than twenty-five years of information security, cybersecurity, and investigative experience. He is currently serving as a fractional executive (vCSO and vCISO) to businesses as a consultant. His most recent internal position was as the Chief Security Officer (CSO) of a financial services firm in Franklin, TN.

Bart is active in the Nashville security community. He is currently serving on the board of the ISSA Middle Tennessee Chapter and its 2023 InfoSec Nashville Conference Committee. Bart serves as President of the Board for the InfraGard Middle Tennessee Members Alliance.

For nearly two decades, Bart provided technical support to an operational unit within federal law enforcement. His specific expertise was applied to affecting court authorized electronic surveillance on packet switched networks. During his tenure, Bart led technical teams and built out the unit’s first operations center.

Bart has a B.S.E. in Computer Science, an M.S. in Telecommunications, and multiple certifications – including Certified Information Systems Security Professional (CISSP), Information Systems Security Engineering Professional (ISSEP), and Certified Protection Professional (CPP).