InnerWorkings (INWK), Echo Global Logistics (ECHO), Mediabank, Groupon (GRPN)

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Co-Founder of TomoTherapy

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Morningstar

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EMPI

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Rubicon Technology, Illinois

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Esperion Theraputics

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Founder, Senior Vice President & CTO of Peapod

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PeopleServe, Inc.

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Pansophic Systems, Inc.

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SkyGen, Founder, President & CEO of Invenergy

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Founder and CEO of Digital River

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Founder of Capella Education

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Extended Care Information Network

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thinkorswim, Illinois

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Chairman, President & CEO of Compellent Technologies

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Chairman, President & CEO of Compellent Technologies

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Co-Founder of Recovery Engineering, Inc.

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