Credentials
- CISSP
- CRISC
- CISA
- ISO 27001 Lead Implementer
- PMP
- M.Sc, Risk Management
John Omosule is a security and compliance specialist with over 12 years of experience in cyber security, IT risk, and third-party risk management across heavily regulated financial institutions. He has led security risk reviews for 50+ organizations spanning manufacturing, finance, legal, government, and aviation, and has implemented and maintained compliance programs against ISO 27001, SOC 2, PCI DSS, NIST 800-53, and GDPR.
His background spans cloud security across AWS, Azure, and GCP, third-party and vendor risk assessment, and translating technical findings into risk decisions executives and boards can act on.
Why Vistavine
Built for how mid-sized teams actually buy
Built around your deals
The goal is a passed review and a closed contract, not a thicker binder of policies.
One accountable expert
You work with the person doing the work, not a rotating team of juniors or a stack of separate vendors.
Architect-level depth
Hands-on cloud and security architecture experience means findings you can act on, not generic checklists.
Get Started
Book a 30-minute call
We'll talk through what's prompting the review, what you already have in place, and whether an assessment makes sense. No pitch deck, no obligation.
Prefer email? info@vistavinesolutions.com