Estimated Value $800M

Last Year's Rank  Valuation #31  $380 million

Business Ad serving

Location New York, New York

CEO David Karnstedt

Investors  Cambrian Ventures, Mitsui & Co., Redpoint Ventures
Analysis With clients such as Discover, Expedia, Match.com, and salesforce.com, Efficient Frontier appears to be thriving in the crowded marketplace. Sharepost listed them with an $800M implied valuation and that number seems accurate to us.