From 1978 to 1986, Thomas Haupt studied Transportation Planning, Computer Science and Operations Research and worked as research fellow at the University of Karlsruhe, Germany. He graduated with a diploma in Industrial Engineering with a diploma thesis about Transport Modelling in developing countries. After working six month at the Institute for Traffic Engineering (Prof. Leutzbach and Prof. Wiedemann) he joined PTV Planung Transport und Verkehr GmbH in 1986 when the company had just eight employees. From November 1986 to September 2012, he held various positions, at PTV Group which, in the meantime, has grown to 600+ employees: from project engineer and head of the Transport Modelling department to member of the Executive Board. During his time at PTV, he was the recognised visionary of the transportation modelling suite PTV Vision (VISUM&VISSIM).
In October 2012, Thomas Haupt started his own company th-inc GmbH. The purpose of his company is to create and stimulate innovation and cooperation in transportation.