CIDEON Management Board

engineering digitized.

Get to Know Our Management Team

Members of the CIDEON Management Board know: Corporate management means taking responsibility. For customers and business partners, for the public and especially for employees. Together, they set the course for the company's ongoing development in an exciting and forward-looking market environment.

Find out more about the previous posts they have held:

Chairman of the Board

Sebastian Seitz


  • Since August 2018 CEO EPLAN and CIDEON
  • 2017-2018 COO of EPLAN and CIDEON
  • 2006-2017 Managing Director of CIDEON Systems GmbH & Co. KG
  • 2005-2006 Managing Director of Meta-1-GmbH (now ASAPIO)

Managing Director

Rolf Lisse


  • Since July 2022 Managing Director of CIDEON
  • Since January 2018 VP Software Development and Customer Support at CIDEON
  • 2007-2017 Head of Development and Product Management at CIDEON

CEO at CIDEON Austria & Head of Sales

Dr Harald Schrenk


  • Since 2000 CEO at CIDEON GmbH, Austria


Head of Professional Service

Robert Weigl


  • Since July 2020 Head of Professional Services at CIDEON
  • 2007-2020 Director of Services Dassault Systemes Deutschland GmbH
  • 2004-2007 Director Professional Services Proficiency

Head of Order Management

Sarah Gneissl


  • Since July 2013 Head of Order Management at CIDEON
  • 2003-2013 Order Management Clerk at CIDEON


Head of Portfolio and Business Development

Thomas Zisler


  • Since 2021 - CIDEON - Head of Portfolio and Business Development
  • 2019-2021 - CIDEON - Head of Delivery Management
  • 2016-2019 - DSC Software AG - Business Unit Projects
  • 2000-2016 - PROCAD GmbH & Co. KG -  Different positions in development and consulting
  • 1998-2000 - Hewlett-Packard GmbH - SAP-PLM Consultant

VP Software Development and Customer Support CIDEON

Stefan Schaarschmidt


  • Since 2023 VP Software Development and Customer Support CIDEON
  • 2001 – 2023 Head of Development CIDEON
  • 2000 – 2001 Development Manager Integrations CIDEON
  • 1996 – 2000 Software Development CAD Integrations CIDEON
Management Board