Claus-Stefan Duffner

Inhaber, Digital Business Coach & Mentor, Claus-Stefan Duffner

Schönwald, Germany

Skills

Digitale Transformation
E-Commerce
Microsoft
IT-Sicherheit
Cloud
Microsoft Active Directory
Microsoft Azure
Microsoft Office 365
NetApp
VMWare
IT Beschaffung
Digitalisierung
Coaching
Windows Server
Führungskräfteentwicklung
Business Coaching
Digital transformation
Informatik
Beratung
Amazon FBA
Amazon Global Selling
Business Mentoring
Onlinebusiness
Speaker

Timeline

Professional experience for Claus-Stefan Duffner

  • Current 4 years and 4 months, since Mar 2020

    Digital Business Coach & Mentor

    Claus-Stefan Duffner

    Für Unternehmer mit Herz - Strategie, Technik & Mindset

  • Current 26 years and 10 months, since Sep 1997

    Inhaber und Geschäftsführer

    ISDD GmbH

  • 21 years and 11 months, Sep 1999 - Jul 2021

    Head of IT-Infrastructure KOEPFER Group

    KOEPFER Holding GmbH

  • 21 years and 11 months, Sep 1999 - Jul 2021

    Leitung IT-Infrastruktur

    KOEPFER Holding GmbH

Educational background for Claus-Stefan Duffner

  • 4 years, Sep 1995 - Aug 1999

    Wirtschaftsinformatik

    Hochschule Furtwangen University

    Business Networking

Languages

  • German

    First language

  • English

    Fluent

  • French

    Intermediate

  • Spanish

    Basic

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