Gillian Greaves is a Senior Agency Development Manager at Amazon with nearly two decades of experience driving strategic partnerships and accelerating media adoption across the advertising ecosystem. Currently based in New York City, she specializes in building high-value relationships with holding companies and agencies to unlock growth opportunities and deliver measurable business impact.

Gillian's career spans leadership roles at premier media and advertising organizations. Her agency-side experience includes managing marquee clients including LVMH, Philips, TD Bank, Dannon, Microsoft, Coca-Cola and Yum Brands,

Throughout her career, Gillian has demonstrated exceptional ability to navigate complex stakeholder environments, orchestrate cross-functional teams, and deliver strategic guidance that drives both client success and organizational growth. Her unique combination of buy-side and sell-side experience positions her as a trusted advisor who understands the full spectrum of the advertising ecosystem.