He launched Zuora, which would provide the necessary infrastructure to allow companies to sell subscriptions.

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In short order, Zuora has become the dominant player in cloud-based payments systems.

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Names to watch: Marin Software, Marketo, Tableau Software, Zuora, and Cloudera.

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The firm has focused, for example, on how enterprise technology is moving to the cloud in a variety of areas, with companies like RightScale, Zuora and CloudPassage.

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Well, he did that in 2008 by starting Zuora.

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There is a long list of technology companies rumored to be looking to debut in the public market: Marin Software, Workday, Marketo, Tableau Software, Zuora, and Cloudera, to name a few.

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