Nielsen seeks a Manager, Product Sales to cultivate relationships with advertiser, agency, digital, and TV media clients. This role centers on renewing existing contracts, expanding sales of audience measurement services, and collaborating closely with account management and product teams. Responsibilities include providing product expertise in client pitches, developing sales strategies, negotiating contracts, communicating client needs, identifying new opportunities, and contributing to product development priorities. The position involves working across international markets and diverse industry verticals, aiming to drive revenue growth through renewals, new client acquisition, and upselling.