Reporting to the VP, Ad Sales, this role will own new customer onboarding, delivering success for their campaigns and new upsell/cross-sell opportunities - while leading internal coordination with sales planning, operations, creative solutions, insights, measurement partnerships, supply partnerships, and tech teams. Collaborate cross-functionally with product, revenue strategy, technical account management (TAM), product marketing, ad operations, creative, insights, agency development, and demand partner teams to ensure successful execution and fast resolution of client issues.