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Manager, Inventory Partnerships & Development (East Coast)

United States

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.

At StackAdapt, we believe the next frontier of programmatic isn’t limited to one screen or format - it’s an ecosystem of emerging, immersive, and intelligent environments. The Emerging Channels team exists to explore and scale that frontier, from Digital Out-of-Home and Mobile App/Gaming to AI ad supply and next-generation inventory.

We’re looking for an explorer-builder, a Senior Manager of Inventory Partnerships & Development who will help architect StackAdapt’s next chapter of supply innovation. This role is for someone who thrives in ambiguity, connects the dots across technology and strategy, and is energized by building systems that bring new channels to life. You’ll play a critical role in shaping how StackAdapt grows its supply ecosystem across DOOH, Mobile App, AI inventory, and beyond — ensuring our clients can access quality, scalable, and future-forward inventory that drives results.

As a member of the Inventory Development team, this individual will attend industry events and frequently be off-site as a representative of our business.  The ideal candidate for this position has demonstrable experience managing or working with SSPs and/or DSPs with cross-industry (buyer/seller) partner contacts.

What You'll Be Doing:

  • Build the frontier: Lead the strategy and growth of StackAdapt’s inventory partnerships across emerging formats — including DOOH, AI inventory, and Mobile App environments.
  • Develop supply ecosystems: Identify, negotiate, and enable SSP and publisher partnerships that expand our premium, scalable, and innovative supply footprint.
  • Drive enablement: Partner with Product, Solutions, and Sales to translate new inventory opportunities into structured, repeatable, and revenue-generating deals.
  • Act as the bridge: Connect the external ecosystem (SSPs, publishers, measurement partners) with internal teams to drive alignment, innovation, and operational readiness.
  • Champion the story: Represent StackAdapt in the market — articulating how emerging channels fit within the broader programmatic narrative and evangelizing their value to clients and partners.
  • Lead with pace and purpose: Set and achieve growth goals across channels, balancing experimentation with strategic focus to drive meaningful business outcomes.

What You'll Bring to the Table

  • 7+ years in programmatic advertising with experience across inventory development, partnerships, or supply strategy (SSP, DSP, or publisher background ideal).
  • Proven ability to build and scale supply relationships across emerging or non-traditional programmatic formats.
  • A deep understanding of programmatic mechanics — deal structures, yield optimization, supply path, and data-driven decisioning.
  • Strong consultative and commercial acumen — comfortable navigating complex negotiations, value propositions, and multi-stakeholder environments.
  • Curiosity, creativity, and resilience — you love to explore new ideas, test hypotheses, and build from 0→1.
  • Excellent relationship management and communication skills — able to inspire trust, influence decisions, and rally others toward a shared vision.

 

StackAdapter's Enjoy:

  • 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!
StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you’re comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know.
 
About StackAdapt
 
We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded:
 
2024 Best Workplaces for Women and in Canada by Great Place to Work®
 
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