Another senior exec departure for Yahoo: Chief of Insights Peter Daboll has defected to head up social media and gaming provider Bunchball. Daboll’s pedigree in consumer insights is extensive, including stints as president and CEO of comScore, president and COO of market research and survey firm MarketTools, and COO of MediaPlan. Redwood City, CA-based Bunchball has raised $6 million over two rounds since its inception in 2006, with Granite Ventures and Adobe Ventures as backers. Release.