Architecting and leading the construction of IT and security environment in B2B Blockchain service provider while setting trust as a core concept. Specifically, reliable and consistent system is built on top of Zero Trust Architecture.

Leading company-wide initiatives, transformations, and various aspects of Information Technology Security and Governance under regulation of Financial Services Agency. - Leading a team of 8 full time and 2 subcontracts - Increased efficiency of operation while saving 10% of budgets - Building a strategic plan by combining a guideline from the Japanese Financial Services Agency and Cyber Security Framework from NIST. - Utilizing AzureAD, Intune, Jamf, AWS, and others for the purpose of automated internal systems - Enabling 100+ members on enabling remote works in safe and convenient manner - Associated with external organizations, such as JPCERT/CC, 金融ISAC, and OpenID Foundation, for building next-gen policies

• Implemented security policy, standard, procedures in preparing for the IPO. • Architected and implemented the overall company’s internal system including id management systems, device management, password management, endpoint protection, RBAC, networks, and more. • Conducted Web vulnerability assessments for our Web apps and API endpoints mainly using BurpSuite. While doing the assessment by ourselves, private bug bounty program has been run. • Implemented automation tools for automating daily system administrator’s operations.

- Handled Incident response for multiple companies across industries, including one of the largest financial institution in Japan. - Built and deployed various network-based security appliances such as Juniper SSG, SourceNext(Snort), BIG-IP(ASM), focusing on improving web-based security while maintaining availability, fault tolerance. - Managed logs collection scheme and built collelated analysis in ArchSight(SIEM) in order to carry out SOC(SecurityOperationCenter). • Developedaneasy-to-installcloudbasedWAFserviceusingIncapsula.