Tremor Video announced that Doug Campbell has joined the company as Chief Strategy Officer. Mr. Campbell will report to Chief Executive Officer Mark Zagorski. With over 25 years of experience in growing profitable digital businesses, Mr. Campbell is responsible for identifying, evaluating and implementing new strategic opportunities that align with Tremor Video’s business objectives and growth initiatives. Mr. Campbell will also be responsible for leading acquisitions, growth and strategy development across the company’s business. Most recently, Mr. Campbell was a Senior Vice President of Strategy and Corporate Development at Nielsen.