Thorsten Siess, PhD

Vice President and Chief Technology Officer

Dr. Thorsten Siess joined Abiomed in 2005 upon its acquisition of Impella CardioSystems, AG, which he cofounded in 1998 and has served as manager of R&D, then chief technology officer. His work in the development and marketing of the Impella 2.5® heart pump and Impella 5.0® heart pump in Europe led to their CE Mark approval. During his time at the University of Aachen he developed the Impella® technology which served as a platform for the entire Impella product portfolio. The products, which allow early intervention through a pencil-sized ventricular assist device (VAD), are now available in 1100 centers in 40 countries. Prior to founding Impella, Dr. Siess served as scientist in the biomedical technology team at Helmholtz-Institute of Biomedicine at the University of Aachen in Germany. Dr. Siess received a PhD as well as his MASc in mechanical engineering from the University of Aachen.

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