The STA team brings broad business expertise and deep technology competence to the sale and licensing of Siemens technologies, and to the creation of the start-ups it founds.

Learn more about Rudolf

Dr. Rudolf Freytag - CEO

Dr. Rudolf Freytag joined Siemens in 1992 and held various management positions in marketing, product management, engineering, strategy and consulting in Germany and the United States.

Amongst others, he was Vice President in the Angiography and X-Ray business of Siemens Healthcare and CEO of Siemens Innovative Ventures.


Rudolf holds a Ph.D. in Physics and a Bachelor in Business Administration from the University of Regensburg, Germany.

Learn more about Christian

Christian Wiesinger - CFO

Christian Wiesinger joined the Siemens Technology Accelerator as CFO when it was first incorporated in 2001. He began his professional career as a test engineer for electrical safety at EMC in Vienna. Christian later joined Siemens Austria as a Finance Manager Sales for IT solutions in the retail and financial services sector, followed by various management positions in finance and business administration at Siemens Nixdorf and Siemens AG in Munich.


Christian holds a masters degree in business administration from Vienna University of Economics and Business Administration.

Learn more about Nadine

Nadine Hüttl - Team Assistant

Nadine Hüttl joined Siemens Technology Accelerator in 2017 as an administrative and commercial Team Assistant. Previously, she worked for different Siemens divisions as a Recruiter and Commercial Consultant.


Nadine completed a professional commercial apprenticeship at Siemens. She also holds a certificate in international project and business management and is a certified supervisor for trainees.

Learn more about Denis

Denis Bassler – Venture Director

Denis Bassler joined the Siemens Technology Accelerator in 2019 as Venture Director. He previously worked at a global management consultancy as a senior manager of the digital transformation and automotive practice spending more than 3 years in the Silicon Valley and Greater Seattle area. 


Denis holds a master’s degree in mechanical engineering with a focus on product development - he studied at the Technical University of Munich (TUM) and the Massachusetts Institute of Technology (MIT).

Learn more about Georg

Dr. Georg Bodammer - Senior Venture Director

Dr. Georg Bodammer joined the Siemens Technology Accelerator in 2008 as Senior Venture Director. He previously was operations manager for P-OLED microdisplay volume production for MicroEmissive Displays Group plc (MED) at its Dresden facility.


Previously, Georg held positions with Edinburgh-based MED that included silicon processing, electronic packaging and quality assurance. Prior to joining MED he was a researcher at the University of Edinburgh.


Georg received a PhD in physics from the University of Edinburgh for his research on the alignment of ferroelectric liquid crystals on CMOS silicon. He studied physics at the University of Karlsruhe and the University of Cambridge (UK).


Learn more about Stephan

Stephan Buchholz - Senior Venture Director

Stephan Buchholz joined Siemens Technology Accelerator in 2013 as Venture Director. Previously, he held various positions in account and regional sales management in the Telecommunications industry. Earlier in his career he worked as a systems engineer on the development of digital broadcasting systems. Stephan lived and worked in Asia-Pacific for more than 8 years.


Stephan holds a master’s degree in electrical engineering from the University of Erlangen/Germany, and masters in European science from the University of Aachen/Germany (RWTH).

Learn more about Markus

Dr. Markus Dehler - Senior Venture Director

Dr. Markus Dehler joined the Siemens Technology Accelerator in 2005 as Senior Venture Director. He previously worked at Siemens Mobile Devices as project leader for platform development. Since joining Siemens in 2001 Markus has held various positions in a number of Siemens divisions, including Siemens Management Consulting (SMC) where he was responsible for strategy, benchmarking and restructuring projects.


Markus holds a PhD from the WHU – Otto Beisheim School of Management in Koblenz. He studied electrical engineering and business administration at the Technical University of Darmstadt and the University of Illinois at Urbana-Champaign.

Learn more about Philipp

Philipp Walczyk – Venture Director

Philipp Walczyk joined the Siemens Technology Accelerator in 2019 as Venture Director. He previously worked for a global consulting firm within their strategy &   operations practice. He supported clients in developing new business models and helped to innovate corporate entities.


Philipp graduated as Master of Science in mechanical engineering and management at the Technical University of Darmstadt with a focus on HMI and corporate   finance.