Arbitron promotes Sean Creamer to chief operating officer, new...

Arbitron promotes Sean Creamer to chief operating officer, new position … Clear Channel promotions: Michele Laven to executive vice president-strategic partnerships; Tom Poleman to president-national programming platforms; Tom Owens to executive vice president-programming research and strategy; Darren Davis to senior vice president/general manager-national programming platforms; Jeff Littlejohn to executive vice president-engineering and systems integration … Westwood One promotes Michael Schreck to vice president-sports sales.