Senior Account Lead

Boundless Inc., part of Yahoo Inc (headquartered in the U.S.), is a trusted marketing and advertising partner empowering global companies to succeed in the Japanese market. With multilingual teams spanning key regions worldwide, we deliver end-to-end solutions driven by deep local insights and a global perspective. About the Team The Client Partnerships & Growth team is dedicated to acquiring new cross-border advertisers, orchestrating seamless onboarding and account setups, and accelerating client scale through high-touch account services. This team plays a critical role in unlocking sustainable international market expansion into Japan, bridging regional nuances, and serving as the primary growth engine for our global advertising business. About the Role As a Senior Account Lead, you will strategically own key global advertiser relationships leveraging Yahoo! JAPAN and LINE Ads, and other channels. You will partner with multinational brands and agencies across the US, EMEA, and APAC expanding into Japan. This role combines senior client leadership with strategic campaign optimization, acting as a trusted advisor to marketing leaders to unlock sustainable revenue growth. Key Responsibilities Lead, expand, and retain high-value relationships with global brands and performance advertisers entering or growing in Japan. Lead executive client meetings, MBRs/QBRs, and planning sessions to identify pain points, growth opportunities, targets, and budget cycles. Drive quarterly and annual revenue targets across assigned portfolios through proactive up-selling, cross-selling, and contract renewals. Partner with business development teams to pitch prospects, craft winning proposals, deliver presentations, and facilitate seamless onboarding. Own end-to-end campaign performance strategy across Yahoo!JAPAN Ads (Search, Display) and LINE Ads. Analyze complex performance data to identify key growth drivers, enhance bidding strategies, and provide high-leverage optimization recommendations. Produce and present executive-ready performance reports, insights decks, and post-campaign analyses. Leverage generative AI tools to streamline pitch decks, automate reporting summaries, and draft high-converting ad copy iterations. Utilize AI-assisted analysis to rapidly synthesize complex performance metrics and uncover actionable optimization opportunities. Requirements & Qualifications Native Chinese, fluent English, and business-proficient Japanese required. Bachelor’s Degree required. 8+ years of digital advertising account management, media planning, or ad tech experience managing enterprise or global client portfolios. Proven track record of hitting revenue targets, identifying up-sell/cross-sell opportunities, and leading MBRs/QBRs. Strong AI literacy with a demonstrated track record of leveraging AI productivity tools to drive operational efficiency and campaign optimization. Experience managing performance and brand campaigns across major search and display platforms (Yahoo! JAPAN Ads and LINE Ads highly preferred). Strong data literacy with hands-on experience interpreting analytics (CTR, CVR, ROAS trends) and bid strategies to deliver actionable business insights. Demonstrated experience or strong aptitude for incorporating modern generative AI tools into daily account management, deck design, and data workflows. Proficiency in building polished client decks (Google Slides/PowerPoint) and analyzing datasets (Google Sheets/Excel). Familiarity with ad tech workflows, third-party tracking tools, and collaborating with technical/engineering teams. Exceptional stakeholder management, presentation, and negotiation skills with executive presence. High autonomy, strong organizational discipline, and the ability to prioritize competing client deliverables in a fast-paced environment. Boundless is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. Yahoo will consider for employment qualified applicants with criminal histories in a manner consistent with applicable law. Yahoo is dedicated to providing an accessible environment for all candidates during the application process and for employees during their employment. If you need accessibility assistance and/or a reasonable accommodation due to a disability, please submit a request via the Accommodation Request Form ( ) or call +1.866.772.3182. Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response. At Boundless, we know that diversity makes us stronger. We are committed to a collaborative, inclusive environment that encourages authenticity and fosters a sense of belonging. We strive for everyone to feel valued, connected, and empowered to reach their potential and contribute their best. Yahoo has a high degree of flexibility around employee location and hybrid working. In fact, our flexible-hybrid approach to work is one of the things our employees rave about. Most roles don’t require specific regular patterns of in-person office attendance. If you join Yahoo, you may be asked to attend (or travel to attend) on-site work sessions, team-building, or other in-person events. When these occur, you’ll be given notice to make arrangements. If you’re curious about how this factors into this role, please discuss with the recruiter.