Complex sentence: Sasse was employed a part-time assistant professor by the University of Texas at Austin in the fall of 2004, however, during that semester, he taught only one class, commuting from his home in Washington, DC to Austin, Texas.
Split into simpler sentences: Sasse was employed a part-time assistant professor by the University of Texas at Austin in the fall of 2004. During that semester, he taught only one class, commuting from his home in Washington, DC to Austin, Texas.