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Our vision of a green future

Our Vision


In 2030 we enable every building to be 100% energy neutral with access to an independent supply of green electricity.


Our Mission


By combining our know-how of chemical synthesis and transferring it to series production, we will be the world's first mass producer of organic thin-film solar solutions.

Milestones in our success story


Spin-off from TU Dresden and Ulm University with the founding members: Karl Leo, Martin Pfeiffer, Bert Männig, Peter Bäuerle, Jens Drechsel and Harald Eggers


2007 till 2011

Research and development in the field of organic photovoltaics (materials, performance, process development); proof of concept for the sustainability of the technology


2012 till 2017

Relocation of the headquarters to the current location in Treidlerstraße; construction and commissioning of an reserach production line; start of first pilot projects with partners


Since 2018

Construction of the 2nd production plant for series production of organic solar films with a production capacity of 1 million m²/year



Inauguration of series production



Market launch of HeliaSol – the first organic solar film


Our Management Team


The management team behind Heliatek is made up of internationally recognised experts in the lighting and semiconductor industry with impressive expertise and many years of management experience.

Chief Executive Officer – Guido van Tartwijk

Born in the Netherlands, Guido van Tartwijk holds a PhD in Physics and has more than 20 years of experience in start-up, turnaround and in Europe, China and the USA. He has many years of experience in the LED lighting and optoelectronics industry. His career has taken him to various top management positions, among others, for Philips Lighting, where he was responsible for the establishment of the global Philips LED Lighting Hub in Shanghai, and was Senior Vice President and General Manager of Philips LED Electronics. 

Guido van Tartwijk has an impressive track record of introducing innovations in record time towards sustainable and profitable growth in global markets. He led the team that was awarded the prestigious L Prize for LED lighting by the United States Department of Energy in 2009.

Chief Operating Officer – Michael Eberspächer

The graduate engineer in electrical engineering and Master of Business and Engineering has more than 15 years of experience in management and leadership in the solar industry in the field of production, quality assurance and operational excellence.

Among other things, Michael Eberspächer has managed international development and ramp-up projects, developed divisional strategies and has been jointly responsible for the launch of three production plants.

Chief Financial Officer – Thomas Martin

Thomas Martin has a Diploma in Business Administration and 15 years of experience as international Business Controller and CFO in leading companies in the automotive and lighting industries.

He has a formidable track record in cost management to foster profitable growth in the area of accounting, budget planning, controlling, liquidity planning, as well as investment and M&A financing.

Chief Technical Officer – Jan Birnstock

Jan Birnstock has a PhD in Physics and is an internationally recognised expert in the field of organic electronics with many years of experience in the OLED industry. Milestones in his career include his work at Siemens, where he conducted research on polymer LEDs, and at NOVALED, where he was most recently Vice President Technology, responsible for customer projects and development work.  

Jan Birnstock has many years of experience in management positions and in the area of Customer Relationship Management (CRM), for example, for the Asian region. He is the inventor and co-inventor of more than 60 patent families.