Before starting Atlantis Presss Zeger worked for Elsevier Science from 2000 till 2006 where he created the following journals and bookseries:

Journals:

• Cognitive Systems Research
• Web Semantics
• Applied Soft Computing
• Information Fusion
  

Books series:

• Foundations of Artificial Intelligence
• Capturing Intelligence
  

The following journals were managed by Zeger:

• Journal of Artificial Intelligence
• Fuzzy Sets and Systems
• Robotics and Autonomous Systems
• Neural Networks
• Neurocomputing
• Data and Knowledge Engineering
• Knowledge Based Systems
• Expert Systems with Applications