Currently, Detlef A. Trefzger holds the position of Chief Executive Officer of Kühne + Nagel International AG and Chief Executive Officer for Kühne + Nagel AG (a subsidiary of Kühne + Nagel International AG) and Chairman-Supervisory Board of Kühne + Nagel Management AG.

In his past career he occupied the position of Principal-Transportation & Logistics at Roland Berger & Partner GmbH, Project Manager at Siemens AG and Logistics Director & Executive Vice President at Schenker AG.

Detlef A. Trefzger received an undergraduate degree from Vienna University of Economics & Business.