StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels.
The Senior Account Manager (SR AM) plays a pivotal role in post-sales client relationships—driving platform adoption, campaign performance, and account growth. You’ll oversee a portfolio of strategic clients, primarily from major Holdcos such as Dentsu, Hakuhodo DY Group, ADK, WPP, Publicis, and IPG, and act as a trusted advisor who ensures StackAdapt delivers measurable success across both managed and self-service engagements.
You’ll collaborate closely with Account Executives, the Global Client Services (GCS) team, and cross-functional partners such as Ad Operations, Creative Strategy, and Data Analytics to optimize campaign ROI, build client trust, and identify growth opportunities.
What You'll Be Doing:Client Strategy & Engagement- Act as the primary point of contact for a portfolio of Japan-based Gold+ clients.
- Lead post-sales strategy including user adoption, campaign management, and account expansion.
- Build multi-threaded relationships with agency stakeholders across seniority levels.
- Proactively identify client needs, providing strategic counsel and data-driven insights to exceed performance goals.
- Lead Quarterly Business Reviews (QBRs), performance presentations, and client education sessions.
- Manage end-to-end campaign setup, including trafficking, third-party tag implementation, and pixel troubleshooting.
- Analyze campaign data to identify optimization opportunities and recommend data-backed solutions to improve ROI.
- Develop innovative campaign strategies leveraging StackAdapt’s multi-channel capabilities (Display, Video, Native, Connected TV, DOOH, and Audio).
- Provide best practices for campaign design, attribution, and measurement using tools like Google Analytics, Tag Manager, and third-party ad servers.
- Work closely with Account Executives, GCS, and cross-functional teams to drive client success and retention.
- Lead internal initiatives to improve operational efficiency, share insights, and standardize optimization frameworks.
- Mentor junior Account Managers—supporting skill development, troubleshooting, and client strategy discussions.
- Contribute to team enablement by sharing optimization best practices and client success stories.
- Identify and execute upsell and cross-sell opportunities, driving account expansion through consultative selling.
- Monitor client business changes (e.g., funding rounds, acquisitions, leadership shifts) to uncover new growth areas.
- Manage renewals and deliver sustained quarter-over-quarter growth across your client base.
- Leverage insights to help clients discover new revenue opportunities before they do.
- 6+ years of experience in programmatic media buying, client success, or account management.
- Proven expertise in campaign optimization and performance strategy within DSPs or agency environments.
- Strong understanding of Japan’s digital advertising ecosystem and Holdco organizational structures.
- Fluency in Japanese and English; ability to lead presentations and QBRs in both languages.
- Strong analytical mindset with the ability to craft insights from performance data.
- Excellent project management, prioritization, and communication skills.
- Willingness to travel (~20%) for client meetings and industry events.
- Highly competitive salary
- Retirement/ 401K/ Pension Savings globally
- Competitive Paid time off packages including birthday's off!
- Access to a comprehensive mental health care program
- Health benefits from day one of employment
- Work from home reimbursements
- Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto
- Robust training and onboarding program
- Coverage and support of personal development initiatives (conferences, courses, books etc)
- Access to StackAdapt programmatic courses and certifications to support continuous learning
- An awesome parental leave program
- A friendly, welcoming, and supportive culture
- Our social and team events!
Top Skills
What We Do
StackAdapt is a self-serve advertising platform that specializes in multi-channel solutions including native, display, video, connected TV and audio ads.
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