Mizuho Bank

Full Time, Analyst PIC (Nov. 2025 - )

Analyst PIC, Global Loans and Trade Services

Seibi 2.0. Project Team Member (2025.08 – present)

§  Implemented a new common EUC and accounting booking system for trade security transactions across Mizuho’s global branches.

APAC Function Head Assistant (2025.08 – present)

• Analysed internal data and developed presentations for periodic operations and management meetings

• Provided strategic advice to the CB and CB teams by benchmarking Mizuho Bank’s profitability against competitors in the Korean market as an issuing bank for key exporters

• Oversaw the transfer of trade securities from M**** Luxembourg Bank’s security depository to S**** Bank’s security depository.

Person in Charge of Operation Group (2025.08 – present)

• Prepared and submitted regulatory and internal reports – including MTM valuation for derivatives, overseas securitization transaction reports, brokerage payments, initial margin, AML reports- to stakeholders such as the Bank of Korea and auditors

• Reviewed and redesigned operational procedures in collaborations with Mizuho Global Services India, developing process improvements and tools that reduced overtime and mitigated operation risk.

Post ISO 20022 Project Member (2025.08 – present)

• Coordinated with Mizuho Head Office in Japan to resolve client issues and investigated system errors from global branches to mitigate risks for the Seoul Branch.

Fixed Term, Analyst (Oct. 2024 - Oct.2025)

ISO 20022 Project Team Member

As a member of the ISO 20022 project team, I played a key role in transferring MT-based operation system to MX system. I have studied the logic behind the transactions under MX system and MT system. Then, I have studied market products dealt by Mizuho Seoul. I went through daily tests, and meeting with Mizuho IT team, Head Office Tokyo, and APAC Head Office Singapore. 

Key Responsibilities:

• Recognised as the top-performing APAC branch at Mizuho for operations and ISO 20022 project execution in FY 2024 Q4.

• Collected and analysed real data from past transactions at Mizuho Bank, Seoul Branch.

• Developed and refined 191 distinct branch operational case scenarios to test.

• Conducted User Acceptance Testing (UAT) for financial transactions, including spot and forward trades, netting and partial payments, derivatives, inward and outward remittances, Continuous Linked Settlements, interbank services, Non-Deliverable Forwards, and message types MT900, MT910, and MT950 under the new MX framework.

• Analysed test results and documented findings to identify and resolve defects in alignment with ISO 20022 logic.

• Independently designed and implemented an MX template for pain.001, ensuring compliance with both branch operations and SWIFT requirements.

• Optimized Business Continuity Planning (BCP) project expenses, achieving a cost reduction of 1 billion KRW, by leveraging existing MT202 functionalities to meet pacs.009 SWIFT requirements.

• Engaged in weekly coordination meetings with the head office and bi-weekly discussions with APAC branches.

• Maintained direct client communication, troubleshooting issues related to customer migration and ensuring a smooth transition.