Currently, Ingo Arnold occupies the position of Chief Financial Officer at freenet AG and Chairman-Supervisory Board at Media Broadcast GmbH and Co-Managing Director at mobilcom-debitel GmbH (both are subsidiaries of freenet AG).

He is also on the board of Sunrise Communications AG and Sunrise Communications Group AG.

In the past Ingo Arnold occupied the position of Head-Treasury at Veba Oil & Gas GmbH and Head-Controlling & Treasury at debitel AG.

He received an undergraduate degree from the University of Mannheim.