The GESCO management team: SME-based, entrepreneurial, experienced


Executive Board

Ralph Rumberg
  • VITA

    Born 1969. CEO of GESCO AG since 1 July 2018.

    Mr Rumberg holds the Executive Board responsibility for the strategic and operational development of all the group’s industrial companies as well as the areas of M&A and HR.
    Mr. Rumberg studied Mechanical Engineering as well as Industrial Engineering and Operations Research. He started his career at BMW Motorsport as a team manager and vehicle manager. After five years he changed to AMG Mercedes-Benz with similar responsibilities. From 1999 to 2013 he worked for Bosch Rexroth in various companies. He has many years of national and international management experience with a focus on sales, product management and production. Since 2014, Mr. Rumberg has been the CEO of AVICEM KOKI GmbH & Co. KG, Niederwürschnitz, a leading international development partner and manufacturer of gear shifting systems with subsidiaries in China and India. In addition to extensive operational leadership experience in industry and the automotive sector, Mr. Rumberg brings with him expertise in the fields of M & A, private equity, internationalization and restructuring as well as in international committees.

Robert Spartmann
  • VITA

    Born 1960. Member of the Executive Board of GESCO AG since 1 January 2001.

    Responsible for controlling holdings, finance, accounting, Investor Relations and legal issues. Business studies degree, tax advisor and auditor. Many years of experience advising mid-sized companies/groups, MD of a mid-sized audit company. From 1995 to 2000 advised GESCO AG and its most important subsidiaries.

Supervisory Board

Klaus MöllerfriedrichChairman
  • VITA

    Born 1947. Member of the supervisory board since 1989.

    Auditor and Tax Advisor. Mr. Möllerfriedrich is one of the founders of GESCO AG. Many years of experience as auditor, tax advisor and consultant.

    Deputy Chairman of the Supervisory Board:
    TopAgers AG, Langenfeld

    Member of the Supervisory Board:
    Dr. Ing. Thomas Schmidt AG, Cologne;
    HINKEL & CIE. Vermögensverwaltung AG, Düsseldorf

Stefan HeimöllerDeputy Chairman
  • VITA

    Born in 1963. Member of the supervisory board of GESCO AG since 25 July 2013.

    Studied business administration in Mannheim and Cologne, Dipl.-Kfm. Managing Partner of Helios GmbH, Neuenrade, Germany since 1993 and Managing Partner of Platestahl Umformtechnik GmbH, Lüdenscheid, Germany since 1994. Mr. Heimöller provides many years of management experience in the industrial SME sector. He is not a member of any statutory supervisory boards or other similar supervisory bodies, in Germany or internationally.

Dr. Nanna Rapp
  • VITA

    Born in 1969. Member of the supervisory board of GESCO AG since 18 August 2015.

    Studied business management in Saarbrucken and London, 1998 awarded doctorat. Many years of business and leadership experience in consultancy firms and internationally operating companies. Since 2004 various functions within the E.ON Group, since 2014 Chief Executive Officer of E.ON Inhouse Consulting GmbH, Essen.

    Chairwoman of the Supervisory Board:
    E.ON Energie AG, Düsseldorf

Jens Große-Allermann
  • VITA

    Born 1967. Elected member of the Supervisory Board by the AGM on 31 August 2017.

    Mr Große-Allermann started his career at Deutsche Bank AG, Cologne, Germany, in 1991. From 1995 to 2000, he worked as a freelance corporate consultant with a focus on real estate. From 1997 to early 2003, Mr Große-Allermann was the chief financial officer of Condomi AG, Cologne, Germany. Since 2003, he has been the executive officer of Fiducia Treuhand AG, Bonn, Germany. He has also served as the managing director of Investmentaktiengesellschaft für langfristige Investoren TGV, Bonn, Germany, since 2008.

    Deputy Chairman of the Supervisory Board:

    • Kromi Logistik AG, Hamburg


    Member of the Supervisory Board:

    • Sparta AG, Hamburg,
    • WashTec AG, Augsburg,
    • FPM Deutsche Investmentaktiengesellschaft mit Teilgesellschaftsvermögen i. L., Frankfurt am Main.