Management
Daniela Wirtz, Head of Business Area „Research and Society NRW“
Daniela Wirtz leads the "Research and Society NRW" business. She studied economic geography at RWTH Aachen University and subsequently worked in consulting. Starting in 2009, she worked at TÜV Rheinland Consulting GmbH, where she served as a research associate, team leader, and later as the head of the research management department. In this role, she was responsible for project management in the fields of mobility and transportation. She has been working at PtJ since 2021.
Dr. Dirk Bessau, Head of Business Area „Energy and Climate“
Dr. Dirk Bessau leads the "Energy and Climate" business area. The economist brings extensive experience in the energy industry and various leadership positions. After working at Flensburg Stadtwerke, the German Wind Energy Association (Bundesverband WindEnergie e.V.), and GASPOOL GmbH, he served as the head of the Berlin office of InnoEnergy GmbH from 2014 to 2020. He has been working at PtJ since 2020.
Michael Weber,
Head of Business Area „Sustainable Development and Innovation“
Michael Weber has been leading the "Sustainable Development and Innovation" business area since April 2020. He studied biology as well as environmental sciences and environmental management. Subsequently, he worked as a scientific advisor in the Berlin House of Representatives, at the University of Halle-Wittenberg, and at the Federal Institute of Hydrology. He has been working at PtJ since 2005.
PtJ is certified according to DIN EN ISO 9001:2015 and ISO 27001 based on IT-Grundschutz and validated according to EMAS Regulation (EC No. 1221/2009) and EN ISO 14001:2025