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    Dan Ratner

    Dan Ratner

    Serial entrepreneur. Cofounder/COO/CTO at @Sittercity. Director of Development at @Obama for America. Social enterprise investor.

    Angel Chicago Brown University
    danratner.com
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    Experience
    Public Good
    Public Good
    Founder
    Sittercity
    Sittercity
    Founder
    Obama for America
    Obama for America
    Employee
    Sittercity
    Sittercity
    Employee
    Portapure
    Portapure
    Advisor
    Impact Engine
    Impact Engine
    Board Member
    Founder
    Public Good, Sittercity
    Employee
    Sittercity, Obama for America
    Advisor
    Portapure
    Board Member
    Impact Engine
     
    Education
     
    About
    Locations
    Chicago
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