Gerd Haas

Christian Kalb


  • Business economist and application computer scientist.
  • Postgraduate course in Controlling.
  • Head of purchasing, material management and supply chain in well-known mechanical and engineering companies.
  • Commercial manager and deputy managing director in a company in the pharmaceutical industry.
  • Interim Manager in different positions as COO, CAO, CSCO, CPO, CSM
  • since 1998 managing partner in Haas & Co. GmbH.
  • since 2000 managing partner in per:kom GmbH.
  • Guest lectures at universities of applied sciences.
  • Seminars at chambers of industry and commerce.
  • Lectureship for the University of Applied Sciences Riedlingen.
  • Author of publications.
  • More than 35 years of professional experience, including more than 20 years as a freelance consultant for companies of different sectors and sizes.



  • University Diploma in Mechanical Engineering,
    Master 1: Computer-aided production automation,
    Master 2: Purchasing and Industrial Negotiations
  • Interim Manager in different poistions
  • Head of purchasing, global sourcing, supply chain and production management in well-known companies in industry and mechanical.
  • Project manager for various IT and digital projects.
  • Auditor according to EN/ ISO 50001 and EN/ISO 9001
  • Certified in APICS CPIM
  • More than 35 years of professional experience for companies of different sectors and sizes.