Lead, Agency Development

Lead, Agency Development 

New York City, New York 

Hybrid Schedule (M/F remote, T/W/TH in-office)

At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we’re looking for people to help us tackle that responsibility with creativity and focus. Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming, online video, display, and audio. Our tech fuels billions of transactions per day!

The Agency Development team is responsible for building and growing strategic partnerships with the world’s largest global agency holding companies and their agencies. We operate at the intersection of sales, strategy, and executive partnership — driving long-term commercial growth, joint innovation, and preferred access to Magnite’s premium supply and technology.

As an Agency Development Lead, you will own Magnite’s relationship with one of our most strategic global holding company partners in the U.S. market. You will lead a team responsible for account growth and activation while personally engaging senior client leadership across investment, strategy, and centers of excellence to shape partnership strategy, unlock new opportunities, and drive scaled revenue across all formats and channels.

• Own and lead Magnite’s end-to-end strategic relationship with a major global agency holding company in the U.S., including executive engagement, partnership strategy, and commercial outcomes

• Lead, coach, and develop a high-performing Agency Development and Sales team responsible for agency-level activation, account growth, and pipeline development

• Build trusted relationships with senior client stakeholders (C-suite, investment leadership, trading, programmatic, and strategy leaders) to position Magnite as a preferred supply and technology partner

• Define and execute partnership endeavors that drive revenue growth, supply adoption, SPO alignment, and product integration across all Magnite formats (CTV, video, display, audio)

• Identify, structure, and scale strategic deals, partnerships, and initiatives across agencies and centers of excellence

• Partner cross-functionally with Sales, Product, Marketing, and Operations to deliver solutions aligned to client priorities and market opportunities

• Represent Magnite externally as a senior industry voice and thought leader within the agency ecosystem

• Drive accurate forecasting, partnership performance tracking, and executive reporting across the holding company portfolio

• Champion client feedback internally to influence product roadmap, commercial strategy, and go-to-market priorities 

• 12+ years of experience in digital advertising, adtech, or agency leadership roles with deep expertise across programmatic, CTV, display, video and audio ecosystems

• Significant experience owning or leading relationships with major agency holding companies or large agency networks at a senior level

• Proven track record managing and developing teams responsible for complex enterprise or agency partnerships

• Demonstrated success driving scaled revenue growth, strategic partnerships, and long-term commercial agreements with large clients

• Executive presence and ability to influence senior stakeholders across investment, strategy, and product organizations

• Strong understanding of programmatic buying, supply-path optimization, private marketplace/CTV deals, and agency operating models

• Strategic thinker with the ability to translate market trends and client needs into actionable partnership plans

• Excellent communication, negotiation, and organizational leadership skills

• Bachelor’s degree or equivalent experience

Perks and Benefits: 

• Comprehensive Healthcare Coverage from Day One

• Generous Time Off  

• Holiday Breaks and Quarterly Wellness Days

• Equity and Employee Stock Purchase Plan

• Family-Focused Benefits and Parental Leave 

• 401k Retirement Savings Plan with Employer Match

• Disability and Life Insurance

• Cell Phone Subsidy

• Fitness and Wellness Reimbursement

Company Culture: 

We believe collaboration is essential to success. Magnite’s hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday, Wednesday and Thursday). Our offices provide catered lunches, beverages, snacks, training and development, and office events to support your work week.  We also understand you have appointments, families, hobbies, and other commitments. Magnite strives to maintain a healthy work/life integration for all employees so you can bring your best every day - both at work and at home.

• Community Service and Volunteer Events

• Company-Matched Charitable Contributions

• Wellness Coach and Mental Health Support

• Career Development Initiatives and a Career Growth Framework

• Culture and Inclusion Programs

• Bonusly Peer-to-Peer Recognition Program

About Us

The world's leading agencies and brands trust our platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City, sunny Los Angeles, mile-high Denver, historic London, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC.

Magnite is an Equal Opportunity Employer and does not discriminate against applicants due to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation or any other federal, state or local protected class.

Our Commitment: We aim to incorporate a wide range of voices into our Magnite culture, cultivating an environment where employees feel welcomed, cared for, and encouraged to freely share ideas. We are committed to employee growth, collaboration, inclusion, and innovation.  We invest in Magnite’s local communities. We seek talent from all backgrounds to champion corporate values of seeing the big picture and being catalysts of change.

Want to learn more about us?  

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Recruiting Agency Notice

Magnite does not accept agency resumes and is not responsible for any fees related to unsolicited resumes.