CHICAGO—GolinHarris has appointed writer and creative director Charlie Tercek as the agency’s executive creative director. Tercek will report to Gary Rudnick, president, Americas and be based in the firm’s Los Angeles office.

He will lead the development of creative ideas based on strategic insights for new and existing clients and on new business opportunities. In addition, he will lead the agency’s global creator community and work closely with teams to inspire creativity. 

Over the course of his career, Tercek has worked at advertising agencies including Ogilvy & Mather, DDB, Chiat, McGarry Bowen and Saatchi, and for clients including IBM, Microsoft, McDonald's, New Balance, Kraft, Toyota, Jamba Juice, Petco, Barnes & Noble, Safeway and Disney, among others. He is perhaps best known for writing and producing IBM's "Solutions for a Small Planet" campaign, which ran in 64 countries.

Tercek has also written movies for the Disney Channel and spent three years as an executive writer for TV's "Sabrina, the Teenage Witch."