Dr. Bastian Siepchen

was appointed as General Manager of CTF Solar GmbH in 2023. He first joined CTF Solar in 2010 – then known as Roth & Rau AG – as Development Engineer for CdTe thin-film solar cells.

Over the years, Dr. Siepchen has held multiple key positions within the Research & Development (R&D) department, accumulating deep expertise in solar technology. His passion for renewable energy and his in-depth understanding of solar materials and processes have been crucial in his professional journey. In April 2012, he was promoted to Senior Scientist, followed by his appointment as Manager of the R&D department in July 2014. By July 2016, he had advanced to Director of R&D, and in March 2022, he took on the role of Vice General Manager before assuming his current leadership position.

Dr. Siepchen holds a degree in Materials Science (2006) and Doctor of Philosophy in Surface Science (2011) from the University of Darmstadt. During his academic career, he developed a deep understanding of materials, technologies, and applications related to solar energy. His academic research focused on surface science, where he developed innovative approaches to enhance the efficiency and performance of solar technologies.

With his extensive expertise, Dr. Siepchen is committed to developing innovative solutions to accelerate the energy transition and promote sustainable energy production.