Rosenblum serves as the Chief Technology Officer at Internet Brands. He also is an Angel Investor. As Chief Technology Officer, Joe Rosenblum oversees information technology, creative services, development and architecture for Internet Brands. Rosenblum has overseen all areas of technology development for Internet Brands since 2006, when he joined the company as Vice President of Technology Development. Prior to joining Internet Brands, Rosenblum served as Engineering Manager, Portal Applications at EarthLink, Inc., an Internet service provider, where he managed a team of software engineers through all aspects of development for EarthLink Search and myEarthLink. As a staff engineer at EarthLink, he architected and oversaw implementation of "Private Labeling" of the EarthLink Personal Start Page for MCI. Rosenblum started at EarthLink Search in September 2002 as senior software engineer.