New York - Linkstorm, a developer of online advertising technology, on Monday named media veteran Ari Brandt as its new CEO, replacing company founder David Sidman. Brandt most recently served as the head of digital media for Conde Nast's Business Media Group, and previously was the director of ad solutions for the Yahoo Media Group. Sidman will remain chairman of the board.

New York - Linkstorm, a developer of online advertising technology, announced on Wednesday that it has raised $4.2 million in its third round of venture capital financing, from individual angel investors.