Senior Inventory Partnerships Manager responsible for owning and expanding strategic supply relationships with SSPs, media owners, exchanges, and private marketplace partners in Spain. Role involves cultivating new revenue streams, securing partnerships, and increasing market share with premium programmatic inventory. Requires autonomy, market insight, advanced analysis, and collaboration with Sales, Account Management, Marketing, Product, Engineering, and Operations. Responsibilities include managing senior relationships, identifying inventory opportunities, developing partnership strategies, negotiating commercial solutions, synthesizing requirements, launching growth initiatives, monitoring partner performance, resolving issues, staying updated on ad tech trends, and mentoring peers. Requires full professional proficiency in Spanish, 7+ years in business development or strategic partnerships in digital advertising/ad tech, proven track record in EMEA markets, expert knowledge of programmatic ecosystem, strong analytical skills, excellent communication and stakeholder management, leadership and mentoring ability, and a Bachelor’s or Master's degree. Location: United Kingdom. Salary range: £97,523 to £134,094 GBP base.
What you'll do
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Own and grow senior relationships with strategic publishers, SSPs, exchanges, media owners, and private marketplace partners across Spain
Identify and prioritize emerging inventory opportunities using market analysis, revenue potential, client demand, and product readiness
Develop and sequence comprehensive inventory partnership strategies that unlock new revenue streams, increase market share, and support regional growth targets
Negotiate mutually beneficial commercial solutions, including exclusive inventory access, pricing, deal structures, and joint go-to-market opportunities
Synthesize partner, client, sales, and product requirements, including competing or ambiguous inputs, into clear recommendations and action plans
Partner with Sales, Account Management, Marketing, Product, Engineering, Operations, and industry contacts to launch campaigns, joint ventures, and partner-led growth initiatives
Monitor partner performance, delivery, and revenue impact, proactively resolving complex campaign, technical, or commercial issues for high-value clients
Stay current on ad formats, channels, platforms, tools, regulations, privacy requirements, ad verification, and broader ad tech trends to inform partnership strategy
Act as a senior subject matter expert and force multiplier by sharing best practices, maintaining partner collateral and technical resources, and mentoring peers on inventory partnership excellence
Requirements
Full professional proficiency in Spanish
7+ years of experience in business development, strategic partnerships, inventory development, or another partner-facing commercial role within digital advertising or ad tech
Proven track record of cultivating strategic partnerships, opening new revenue streams, and increasing revenue or market share across multiple EMEA markets (e.g Spain)
Expert-level understanding of the programmatic advertising ecosystem, including RTB, DSPs, SSPs, ad exchanges, private marketplaces, publishers, media owners, and regulatory considerations
Strong analytical capability, with experience using market sizing, sales analytics, partner performance data, and strategic planning methods to inform commercial decisions
Excellent communication and stakeholder management skills, with the ability to influence senior internal and external stakeholders, navigate complex negotiations, and articulate partnership strategy clearly
Demonstrated ability to lead through influence, coach or mentor colleagues, and contribute to a high-performance culture while balancing strategic oversight with hands-on execution
Highly competitive salaryRetirement/ 401K/ Pension Savings globallyCompetitive Paid time off packages including birthday's offAccess to a comprehensive mental health care programHealth benefits from day one of employmentWork from home reimbursementsOptional global WeWork membership for those who want a change from their home office and hubs in London and TorontoRobust training and onboarding programCoverage and support of personal development initiatives (conferences, courses, books etc)Access to StackAdapt programmatic courses and certifications to support continuous learningAn awesome parental leave programA friendly, welcoming, and supportive cultureSocial and team events
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