John Callahan
John Callahan
Chief Technology Officer (CTO), VeridiumJohn Callahan is currently serving in the capacity of Chief Technology Officer (CTO) at Veridium. He has previously worked as Senior Computer Scientist at John Hopkins University - Applied Physics Laboratory and as Chief Technology Officer at Sphere Software Corporation. John is an alumnus of the prestigious University of Maryland, College Park.
News mentions
In March 2021, the U.S. National Institute of Standards and Technology (NIST) released Special Publication 500-334, which provides guidance on implementing the technology that allows the use of contac...
Key people from Veridium
Security experts
Technology's role in securing banks and financial institutions
DownloadSecurity technologies promote real-time awareness in K-12 schools
DownloadIntegrated systems enable critical and compliant security for transportation
DownloadModernising physical access control
DownloadAccess. Intrusion. One estate.
Download
