Index Exchange is looking for a Buyer Development Director to help lead and grow strategic relationships in the US. Index is financially strong, independent, and in growth mode, with modern technology and no legacy platform drag. We are investing heavily in the areas buyers care about most, including streaming, sell-side decisioning, and Marketplace innovation, while staying grounded in transparency, neutrality, and partnership. In this role, you will own day-to-day commercial relationships working across agencies, brands and buying teams to drive revenue growth and product adoption. You will play a key role in executing building relationships, and delivering measurable commercial outcomes. This role blends commercial ownership with consultative engagement and plays a key role in shaping the buyer experience. What we're looking for: - A commercially minded buyer-facing professional with experience working across agencies, brands and/or buying teams - Strong sense of ownership, comfortable managing a book of business and being accountable for results - Able to build and maintain relationships across programmatic, investment, and commercial stakeholders - Collaborative partner who can work cross-functionally with Account Management, Product, and Publisher teams - Confident communicator with solid programmatic and marketplace knowledge - Motivated to grow into broader strategic responsibility over time Here's what you'll be doing: - Own and manage relationships across agencies, brands and/or buying teams in the US. - Drive revenue growth and increased adoption of Index's buyer-facing products across operating agencies and buying teams - Execute strategies through QBRs, activation plans, and ongoing engagement - Act as a consultative partner on SPO, marketplace quality, curation, data activation, and supply innovation - Multi-thread relationships across traders, programmatic leads, and senior agency stakeholders - Identify and develop new commercial opportunities - Partner closely with Buyer Account Management teams to activate agency strategies, deals, and marketplace initiatives - Share buyer feedback and market insights internally to support Product and GTM priorities - Track buyer trends and performance to inform planning and account strategy - Represent Index in agency meetings and relevant industry forums Here's what you need: - 7+ years of experience in digital media with strong knowledge of the programmatic advertising ecosystem (SSP, DSP, exchange, PMP, agency trading desk, ad server, etc.) - Proven success in buyer-facing commercial or account management roles within ad tech or programmatic environments - Experience working with or within agency holding companies, large agency groups and/or brands - Demonstrated ability to manage a book of business and deliver against revenue and adoption goals - Confidence presenting technical concepts and commercial recommendations to agency stakeholders Salary: The base salary range for this role is $160,000 to $195,000 USD. The total compensation package may vary depending on non-discriminatory factors such as job-related knowledge, skills, and experience. Why you'll love working here: - Comprehensive health, dental, and vision plans for you and your dependents - Paid time off, health days, and personal obligation days plus flexible work schedules - Competitive retirement matching plans - Equity packages - Generous parental leave available to birthing, non-birthing, and adoptive parents - Annual well-being allowance plus fitness discounts and group wellness activities - Employee assistance program - Mental health first aid program that provides an in-the-moment point of contact and reassurance - One day of volunteer time off per year and a donation-matching program - Monthly town halls and regular community-led team events - Multiple resources and programming to support continuous learning - A workplace that supports a diverse, equitable, and inclusive environment - learn more here Our corporate headquarters are in Toronto, with major offices in New York, Montreal, Kitchener, London, San Francisco, and many other global cities. As a major global advertising exchange, we are committed to operating as a tightly knit global team and embracing and empowering talent wherever our colleagues may be. AI Disclaimer: Automated tools including artificial intelligence may be used to assist in screening and assessing applicants for this role. All hiring decisions involve human review. Vacancy Status: This posting is for an existing vacancy.