Nielsen Shuffles Executive Deck

Nielsen Co. shifted three of the most senior executives in the company’s television ratings service to new roles within the company, effective Oct. 1, officials said Tuesday.

Catherine Herkovic will become senior vice president and managing director of National Television Client Services. In this role, she will oversee client services and sales for Nielsen’s national television ratings business with responsibility for the company’s broadcast and cable network, advertising agency, and syndication clients. Previously, she held a similar position in Nielsen’s local television service.

Kevin Svenningsen will become senior vice president and managing director of Local Television Client Services and will lead Nielsen’s local television ratings service responsible for client services and sales to television station and cable system clients. Previously he was senior vice president, sales and marketing for the Nielsen Agency, Broadcast and Syndicator Service.

Tom Ziangas will become senior vice president of Nielsen Sports where he will oversee the development of new products, sales, client service, and business strategy for television sports measurement. Previously, he was senior vice president of National Television Client Services, with responsibility for all sales and marketing functions for national cable-network clients.

Herkovic and Svenningsen will continue to report to Sara Erichson, executive vice president of Nielsen Media Research Client Services North America. Ziangas will report to Terrie Brennan, senior vice president of New Business Development & Strategy.