RadiumOne, Inc., a San Francisco, CA-based digital ad network that leverages the social web, has closed a $21m Series B funding.
The round was led by Crosslink Capital, with participation from DFJ Esprit, Adams Street Partners and Trinity Ventures.
This has brought the total amount raised by the company to date to bringing total funding to $33.5 million.
The company intends to use the funding for international expansion and acquisitions. RadiumOne recently opened a UK office, and in the coming months will be launching in continental Europe and Asia Pacific.
The future acquisitions are designed to give the company additional resources and tools to effectively scale.
Led by Founder and CEO Gurbaksh Chahal, RadiumOne use its innovative ShareGraph™ technology to analyze how users communicate with their closest connections and identify the specific consumers who are most likely to engage with a brand’s ads.
In conjuunction with the funding, Jim McLean, partner at Crosslink Capital will join the RadiumOne’s board.