Sr. Supply Partner Manager
Quantcast
San Francisco, CA, USA
USD 131k-154k / year + Equity
Posted on Jun 14, 2025
At Quantcast, we're redefining what's possible in digital advertising. As a global Demand Side Platform (DSP) powered by AI, we help marketers connect with the right audiences and deliver measurable results across the Open Web. Our foundation is built on cutting-edge measurement and consumer analytics, giving our clients the tools they need to drive success in an ever-evolving digital landscape.
Since our start in 2006, we've pioneered industry firsts—from launching the original measurement platform for digital publishers to introducing the first AI-driven DSP. If you're ready to be part of a dynamic, forward-thinking team that thrives on creating transformative solutions, Quantcast is the perfect place to grow your career.
We are looking for a strategic and experienced Senior Partner Manager, Supply Partnerships to join our team. This role is pivotal in fostering relationships with global programmatic supply-side partners, such as SSPs, publishers, app developers, and CTV and audio content creators. You are a consultative problem-solver with a strong understanding of the programmatic ecosystem to expand and optimize supply for our self-serve platform. You have a track record of managing multiple priorities, building trust with both internal and external stakeholders, navigating ambiguity, and driving revenue growth.
What you'll do:
- Relationship Management: Act as the primary day-to-day manager of long-term strategic supply relationships. Develop a roadmap for mutual growth that aligns with industry initiatives, company goals, and customer impact.
- Partner Evaluation and Onboarding: Evaluate new partners that strategically expands or improves supply for the self-serve platform. Oversee the lifecycle of partner onboarding across outreach, contract negotiation, technical integration, as well as partner marketing.
- Market Intelligence: Align supply strategy and roadmap with company goals, industry trends, and emerging technologies, like AI. Attend industry events to share learnings internally and evangelize Quantcast if required.
- Cross-Functional Collaboration: Work closely with Product, Engineering, Sales, Account Management, Marketing, Legal, and Finance teams for easy technical and commercial integrations, faster issue resolution, and delivering against shared goals.
- Solve Complex Challenges: Use data-driven analysis, operational know-how, and strong decision-making skills to resolve complex challenges and customer supply-related issues as needed. Participate and lead in ad hoc projects.
Who you are:
- 5+ years' experience in partner management or a similar role within adtech with strong programmatic supply experience.
- Deep understanding of the programmatic advertising landscape (e.g. digital media buying, new sell-side technologies, private marketplace [PMP] deals, ad servers, creative vendors, etc.)
- Demonstrated success in scaling strategic partnerships with measurable business impact.
- Exceptional communication and problem-solving skills, capable of articulating complex concepts clearly and persuasively to diverse audiences, including C-level executives.
- Proven ability to collaborate cross-functionally, make data-driven decisions, and manage multiple priorities.
- Highly adaptable, curious, and quick to master new technologies.
- Bachelor’s Degree or equivalent experience.
Bonus points for:
- Familiarity with adtech industry standards (e.g. IAB oRTB, TAG)
- Experience with privacy, addressability, and contract negotiation
- Prior experience in supply partner management at an agency or a DSP
- Speaking multiple languages and/or experience working with international teams
- Proficiency with SQL is a plus
The expected salary range for this position is $131,000 to $154,000.
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At Quantcast, we craft offers that reflect your unique skills, expertise, and geographic location. On top of a competitive salary, this position includes eligibility for a performance bonus, equity, and a comprehensive benefits package. Depending on your location, this may include generous vacation, medical, dental, and vision coverage, and retirement plans. For more details, visit our Careers page and see how we support our team. Please see the Applicant Privacy Notice for details on our applicant privacy policy.
Founded in 2006 and headquartered in San Francisco, we are a diverse, aligned community with offices across 10 countries worldwide. Join the team that unlocks potential.
Quantcast is an Equal Opportunity Employer.
