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Ryuzo O. has a robust background in cybersecurity and technical support, currently serving as the Japan SOC manager for Global SOC at Cybereason since September 2017. Ryuzo O. has progressed from Tier 1 to Tier 2 SOC Analyst roles, conducting security event analysis, malware analysis, reverse engineering, and threat hunting. Prior experience includes working as a Field Quality Engineer at Amazon Japan, focusing on testing and troubleshooting wireless products, and as a Technical Supervisor at Docomo Engineering Inc., where responsibilities included resolving international roaming issues and conducting IREG testing. Earlier in the career, Ryuzo O. served as a bilingual sales assistant at Softbank, providing customer support on mobile devices. Ryuzo O. holds a Bachelor's degree in English Language and Literature from Kanda University of International Studies.