Former eXelate executive Mark Zagorski will join Tremor Video Inc. as CEO and a board member, effective July 10.

Paul Caine, who led the CEO search committee as interim chief executive, will continue to chair the company's board, according to a June 6 news release. Caine assumed the CEO position on an interim basis following the resignation of Bill Day earlier this year.

Zagorski previously served Nielsen Holdings unit eXelate as CEO and as executive vice president of Nielsen Marketing Cloud.