John Calzaretta

President and Chief Revenue Officer, Sentry Enterprises

John Calzaretta is the President and Chief Revenue Officer of Sentry Enterprises. He is also the Co-Founder & President of Sentinel Wallet. He was the Board Member of X-Core Technologies.

News mentions

New SentryCard360: Decentralised identity innovation

Sentry Enterprises, an industry pioneer in decentralised identity and biometric security solutions, proudly announces the launch of SentryCard360—a groundbreaking innovation addressing the escal...

PKOC on a card demonstrated - Sentry Enterprises integrates the PKOC open credential on its SentryCard

On Wednesday, August 16, 2023, the Physical Security Interoperability Alliance (PSIA) hosted a special interoperability event with seven companies involved in the access control market, demonstrating...

Sentry Enterprises announces the world’s first Security Lab certified biometric cold storage crypto wallet

Sentry Enterprises, an identity transformation player across the physical and digital worlds, announces its expansion into the cryptocurrency market with the launch of Sentinel Wallet LLC. Sentinel W...

Key people from Sentry Enterprises

Security experts