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Senior Manager, Media Investment
Mars United CommerceSouthfield, United Statesfull_timeVerifiedPosted 6 Nov 2025
💰 $150,995/yr($95,950/yr – $150,995/yr)
About the role
Mars United Commerce Powered by Marilyn is a global commerce company that delivers all the solutions clients need to grow their business today and tomorrow. Founded by the late Marilyn Barnett, we’ve become global leaders in four key commerce disciplines – Strategy & Analytics, Digital Commerce, Content & Experiences, and Retail Consultancy – that together form a United Commerce Ecosystem that provides all the expertise clients need to navigate the commerce marketing landscape. Our 800+ Martians across North America, Europe, Australia, New Zealand and Asia exist to drive growth for our people, our clients, and our communities all across the globe. We are seeking a Senior Manager, Media Investment. This person leads the development and execution of cross-channel media investment strategies with third-party partners across the media ecosystem. This role is responsible for translating media strategy into actionable investment plans that drive performance, efficiency, and innovation for our clients. This role will help to oversee a team of investment managers and collaborate closely with the Director and other cross-functional teams to ensure flawless execution and continuous improvement. This role requires a strategic thinker with strong media expertise, leadership capabilities, and a passion for driving results through data-informed decision-making and operational excellence. PRIMARY RESPONSIBILITIES:
- Assist with the development of investment strategies across managed-service digital media channels, ensuring alignment with client goals and broader media strategy.
- Oversee execution of large-scale media campaigns, ensuring quality, accuracy, and performance across all touchpoints within Prisma.
- Serve as a key point of contact for internal teams and clients on media investment-related matters, providing thought leadership and strategic guidance.
- Collaborate with Strategy and Analytics teams to develop measurement frameworks and translate insights into actionable optimizations.
- Drive innovation in media investment processes and tools to improve efficiency.
- Manage a team of media investment professionals, fostering their continued growth.
- Collaborate with Client Leadership and Project Management to ensure seamless delivery of investment plans and reporting.
- Contribute to business growth through identification of new opportunities and expansion of existing engagements.
- 4 - 7+ years of cross-channel digital media investment experience working with third-party partners (ex. Ogury, Chicory)
- Leadership experience managing teams and driving strategic media initiatives.
- Strong understanding of media planning, buying, and performance analysis using Prisma as the primary platform.
- Experience with Retail Media Networks, CPG brands, and commerce media preferred.
- Polished communication and presentation skills, with ability to influence senior stakeholders.
- Strong analytical thinking and financial acumen.
- Proficiency in media tools and platforms (e.g., Prisma, Excel, PowerPoint).
- Collaborative mindset and ability to work cross-functionally in a fast-paced environment.
- Passion for innovation and continuous improvement.
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