- Contributed as a project manager to the OpenAI Prompthon, leading a team to develop an AI-based psychotherapist service.- Administered the budget for IT operations, including for winning substantial budget for cloud services and service management enhancements.

- Spearheaded the IT project to build the new data sales system, which is for expanding sales pipelines and cultivating new client relationships.- Orchestrated a strategic joint venture, focusing on long-term revenue generation and market penetration in alternative credit bureau business.- Pioneered and expanded partnerships for the Telco credit score service and the MyData service(Financial Data Management service).

- Made a presentation at a session in the developer conference(NHN FORWARD): How to use NLP for the marketing strategy in practice.- Led and organised projects for acquiring new authorised licenses for launching fintech businesses as a project manager: Acquired the financial Mydata business license and the loan product brokerage license.- Advertised products in “Korea Fintech Week 2021”.- Eliminated business risks and resolved problems by analysing financial authorities' policies and negotiating with them: Defended electronic debit payment license from Financial Supervisory Service's attempt to cancel it.- Researched and analysed foreign fintech business cases.- Analysed bills regarding ICT and the Fintech industry like Electronic Financial Transaction Act amendment and re-proposed amendments.- Cooperated closely with Korea Internet Corporations Association and Korea Fintech Industry Association to make policy proposals as a company representative.- Researched and analysed public policies, regulations, and market trends for the ICT business.- Communicated with National IT Industry Promotion Agency (NIPA) and managed a project for the ICT regulatory sandbox.

- Negotiated the service fee and made agreements with financial institutions and fintech companies: Negotiated the service fee cut-rate at an average of 8% lower than competitors.- Analyzed sales data of merchants with Python and made a business proposal.- Analyzed financial data to estimate profit and loss. - Consulted, compromised with credit card companies and merchants for implementing payment transaction services.- Made the WeChat Pay contract with Tencent, China.- Made the KakaoPay service contract and organised its development project.- Established a strategic alliance with Mastercard and JCB for product development projects.- Dealt with ordinance issues regarding changing the business infrastructure by the Act, reported on facts and figures to Financial Supervisory Service.

- Analyzed sales data and established service fee policies: Reduced costs of 1.6bn KRW for the first half-year.- Organized an audit from Financial Supervisory Service.- Analyzed financial data and reporting to managed monthly sales profits and costs.

- Initiated and managed contracts with clients and 3rd parties: Negotiated agreements, drew up new contracts and renewed existing contracts.- Reported on the likely impact of process modifications and assisted in the preparation of business proposals.- Initiated and organized projects to generate revenue and to establish cutting-edge payment solutions like Samsung Pay service.- Maintained a good relationship with clients to source new business opportunities and increase profits: Credit card companies, public institutions like National Tax Service.- Completed development tasks from clients and proposed improvement suggestions regarding current services.- Dealt with reimbursement and indemnity issues regarding sales statements by negotiating with clients.

- Drew up charter contracts and estimated profits.- Managed shipping schedules.- Translated market reports from English to Korean.

- Developed supply and management schemes of all goods for the battalion.- Provided advice to the battalion commander as a staff officer.