Carsten Holtmann

"Paths are made by walking"

Franz Kafka

Main focus

  • Agile organisational development
  • Collegial Leadership
  • Effectuation – Acting and Designing Entrepreneurially under Uncertainty
  • Organisational development and systemic consulting
  • Culture and identity work for organisation and people
  • Communication, feedback and conflicts
  • Leadership coaching / sparring



  • Self-employed organisational developer, trainer and coach under Holtmann Consulting – since 2013
  • Executive member of the next U Berater:innen network – since 2015
  • Member of the Agile Organisationsentwicklung e.V.
  • Network partner beratergruppe neuwaldegg
  • Lecturer for Effectuation at the University of Applied Sciences Bremen and University Duisburg-Essen
  • Entrepreneur and board member of a software company in Hamburg with approx. 150 employees – 1991-2013
  • During this time responsible for
    -the integration of his own company into an insurance group
    -Project portfolio management for classic and agile projects, product management, executive development, strategy, management of architecture, production and testing



  • Conflict Consultancy and Mediation, ZfW Uni Hamburg – 2020/2021
  • MasterProgramme of the Institute for Systemic Consultancy  (ISB)/Wiesloch – 2017
  • Effectuation Expert, Effectuation Intelligence/Graz 2014
  • Agile Organisational Support, next U/Hamburg 2017
  • Systemic Coaching and Team Development, ISB/Wiesloch – 2013-2015
  • Systemic business development, beratergruppe neuwaldegg/Vienna – 2008/2009
  • Diploma in Industrial Engineering and Management, TU Hamburg – 1988-1993



  • German, English