Sina Manavi is a cybersecurity executive and author with over 17 years of experience securing complex enterprise environments. He serves as Global Head of Cloud Security, Compliance & Resiliency at DHL IT Services and is the co-author of Securing Cloud Containers: Building and Running Secure Cloud-Native Applications (Wiley, 2025). He has also served as Technical Author for Cybersecurity Strategies and Best Practices (Packt, 2024) and Threat Hunting in the Cloud (Wiley, 2023), and as Technical Reviewer for Kali Linux Wireless Penetration Testing Essentials (Packt, 2016). Sina holds certifications including CCISO, CISM, CISA, and ISO 27001 Lead Auditor, and contributes regularly to CIO Magazine and CSO Online.