The Rubicon Project is a Los Angeles, California based advertising-optimization start-up company co-founded by Frank Addante, Craig Roah, Duc Chau, and Julie Mattern. The company has just raised a $9 million Series C round of funding, putting them at a total of $43 million. The Series C investors include Peacock Equity, Clearstone Venture Partners, and Mayfield Fund.

Rubicon Project has about 1,300 clients which include Gannett, Salon, Washington Post, and Newsweek. They optimize over 15 billion ads per month across 300 advertising networks. Rubicon monetizes ad space that has been unsold by ad networks.

Earlier this month Rubicon Project acquired Others Online. The Others Online CEO and founder Jordan Mitchell became the VP of Data Intelligence at Rubicon as a result of the acquisition.

“It takes a great team to build a great company. We have an outstanding execution team with solid fundamentals and high aspirations.”
-Frank Addante, CEO and Founder of the Rubicon Project

The Rubicon Project is a Los Angeles based Internet advertising technology company. The company announced that they raised $6 million in funding for its operations. The Rubicon Project is named after a river in Italy and also has an idiom that means a point of no return [Source: Rubicon Project-About].

The investors include Clearstone Venture Partners ($4 Million) and Square1Bank ($2 million). “It takes a great team to build a great company. We have an outstanding execution team with solid fundamentals and high aspirations. Clearstone’s philosophies, as an investment partner, makes for an ideal match,” stated Frank Addante, the CEO and Founder of The Rubicon Project. “Clearstone’s past successes with Overture on the advertising side and PayPal for automated billing systems translates perfectly with the markets that the Rubicon Project is aggressively pursuing.”

The Rubicon Project will launch in private beta on October 8, 2007. Individual Rubicon team profiles are available at: http://www.rubiconproject.com/team.html.