13.02.2026

Joachim Marder is the founder and Managing Director of JAM Software GmbH. Since founding the company, he has been developing specialized software solutions for the Windows platform, with a strong focus on file and disk space management.

Under his leadership, JAM Software has established itself internationally with proven tools such as TreeSize, SpaceObServer, and UltraSearch. His mission: to deliver powerful, practical software that helps IT administrators and organizations gain transparency into their data structures and manage resources efficiently.