Thomas Schneider began his studies in 1984 at the University of Zurich, focusing on history, Egyptology and Hebrew.
He transferred to the University of Basel in 1986, where he achieved a MA in Egyptology, Ancient History and Old Testament Studies in 1990.
He carried out further study at the Collège de France in Paris before completing his PhD in Egyptology at the University of Basel in 1996.
Before that, he was a visiting professor at the universities of Vienna, Warsaw and Heidelberg, professor of the National Swiss Research Association at the Institute of Egyptology at Basel and participated in the MISR Project (Mission Siptah-Ramses X in the Valley of the Kings) of the University of Basel.
But in fact, he excluded a large portion of Rössler's numerous Nazi writings, written before 1945, which were produced in close collaboration with the Reich Security Main Office, where Rössler worked as an "expert" to help propagate the idea of Hitler as a savior figure for contemporary Islam in order to improve Nazi Germany's place in the Arab world.