Thomas Deger

Owner, Owner & President, Global Changemaker

Wiesbaden, Germany


Professional experience for Thomas Deger

  • Current , since 2010

    Owner & President

    Global Changemaker

    We partner with inspirational owners and leaders of internationally operating companies across all industries in EMEA to shape effective high-performance organizations. Our approach is based on more than 18 years of international experience in complex consulting engagements with transformational agendas, some of which received international awards – delivering exceptional outcomes and improvements that last – in financial results, operational performance as well as in organizational culture.

  • 2015 - 2016

    Executive Vice President Transformation & Member of the European Leadership Team

    Alexander Proudfoot

    As the world’s leading operational consultancy for 70 years, Alexander Proudfoot is the pioneer in implementation consulting. We partner with organizations to • help Executives achieve their objectives by accelerating the execution of their strategies and plans thereby delivering substantial improvements in operating performance and profitability • collaborate with employees on all levels to create and implement solutions that generate a significant return on investment

  • 2005 - 2010

    European Business Development Director

    Quest Worldwide Consulting Ltd.

    Quest Worldwide is a leading global Strategy and Change Management consultancy focusing on Strategy Implementation, Operational Excellence and People Engagement, headquartered in Godalming (UK), with offices in Dubai (U.A.E.), Singapore, Sydney (Australia) and New York (U.S.A.).

  • 2000 - 2005

    Manager, Business Consulting EMEA, Supply Chain Management

    Aspen Technology, Inc.

    AspenTech is the world’s leading supplier of software and consulting services that optimize process manufacturing (NASDAQ: AZPN), headquartered in Boston (U.S.A.) with offices in more than 50 countries worldwide.

  • 1998 - 2000


    valantic (Wassermann AG)

    Wassermann is a leading German Integrated Process and IT consultancy focussing on Supply Chain Management and Lean Management.

  • 1997 - 1998

    Executive Assistant

    Protos Logistik Software GmbH

    Protos is a service company focusing on the development of model-driven, domain-specific tools and applications for Embedded Systems.

Educational background for Thomas Deger

  • 1996 - 1998

    Economics & Business Administration

    University of Applied Sciences Munich

  • 1995 - 1996

    Marketing & Market Research

    FEB Hamburg

  • 1990 - 1996

    Automotive and Aeronautical Engineering/Technology

    University of Applied Sciences Munich


  • German

    First language

  • English


  • French


  • Bulgarisch


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