Prof. Psiorz studied Chemistry in the Universities of Kaiserslautern, Freiburg and finally Braunschweig, where he obtained his PhD degree in Organic Chemistry.
He also concluded his studies in Pharmacy there to become a licensed pharmacist.
After his academic activities he joined Dr. Karl Thomae GmbH in Biberach / Germany as a research scientist, where he successfully worked on cardiovascular agents. Several publications and patents document his achievements there.
In 1991 he accepted the position of as group leader at Boehringer Ingelheim KG in Ingelheim where he was responsible for the development, manufacturing, and commercial activities with natural products. During this period he continued to teach at the University of Kaiserslautern, where he became honorary professor in 1998.
In 2000 he took over the responsibility for the Pharma Chemicals business of the company. During this time he spent 2 ½ years in Petersburg, Virginia, as a VP of Technical Operations at the Boehringer Ingelheim Chemicals, Inc.
In 2009 he was appointed President and CEO of Boehringer Ingelheim Chemicals, Inc. in Petersburg / Virginia and was a Trustee of the School of Engineering at VCU.
Since 2013 he is Corporate Vice President of Chemical Manufacturing & Supply at Boehringer Ingelheim GmbH. In this role he oversees all chemistry related activities in Operations worldwide.