Keystream’s innovative video advertising solution offers a dramatic improvement over other video ad models on the Web today. We understand the challenge site publishers face in attracting and growing an audience while covering costs. Our approach attracts advertisers with compelling new ad placements that engage users without disrupting their video viewing experience.


Date Type Amount Investors Valuation
08/01/08 Series A Unknown Voyager Capital Unknown


Schuyler Cullen (Co-Founder and CEO)

Edward Ratner (Co-Founder and President, R&D)

John Varney (VP, Business Development)

View more details about the people at Keystream