adjoe is looking for a Senior Supply Growth Manager who is fluent in both Japanese and English, with at least 3 years of experience in the ad tech, mobile advertising, and digital marketing space. The ideal candidate will have a strong understanding of standard KPIs used in the ad tech industry (CPI, CPM, CPC, ARPDAU, CTR, etc.) and excellent communication (verbal and written) and analytical skills. This role will be responsible for managing a portfolio of existing app publishers, expanding their revenue, building strong relationships with existing partners, analyzing partner performance KPIs and taking action, creating reports, presentations, and business reviews for app publishers, tracking activities related to the app publisher portfolio using dashboards and other tools (Salesforce, JIRA), gathering partner needs including technical troubleshooting, and communicating them internally with appropriate prioritization. This role will also be responsible for initiating and managing supply projects, maintaining a clear framework, and monitoring results.