Jann Driessen

Freelancer/Self-employed, Mobile App Consultant / Senior iOS Entwickler, JannDriessen.com

Düsseldorf, Germany

Timeline

Professional experience for Jann Driessen

  • Current , since Mar 2019

    Founder

    Ryze Technologies UG

  • Current , since May 2009

    Mobile App Consultant / Senior iOS Entwickler

    JannDriessen.com

    Medienproduktionen: Video, Web und Mobile

  • 8 months, Dec 2018 - Jul 2019

    CTO

    Street Pro GmbH

  • 1 year and 1 month, Dec 2016 - Dec 2017

    Mentor

    VentureVilla Accelerator GmbH

  • 2 years and 3 months, Apr 2014 - Jun 2016

    Head of Mobile

    Freeletics

  • 8 years and 7 months, Feb 2005 - Aug 2013

    Webdesigner / Video Producer

    JannDriessen.com

    Medienproduktionen im Bereich Video und Web.

  • 1 year and 5 months, Mar 2012 - Jul 2013

    iOS Entwickler

    Kupferwerk GmbH

  • 9 months, Jul 2011 - Mar 2012

    Software Entwickler (iPhone/iPad)

    GOAPP GmbH

  • 1 year, Jul 2010 - Jun 2011

    Junior Art Director Online

    heller & partner communication GmbH

  • 3 months, Jul 2004 - Sep 2004

    Mediengestalter

    Bungart|Bessler

Educational background for Jann Driessen

  • 2 years, Sep 2007 - Aug 2009

    Media Production

    Hochschule Ostwestfalen-Lippe

  • 3 years, Oct 2004 - Sep 2007

    Medieninformatik und Gestaltung

    Universität Bielefeld

Languages

  • German

    First language

  • English

    Fluent

Browse over 18 million XING members