Ready for a 100 percent renewable future for everyone.

Management Team:


Dr. Wilhelm Stein

Chief Executive Officer

Dr. Stein has over 20 years of highest level management experience in the high-tech industry. He is a doctor of physics and has already built up numerous companies and lines of business and successfully established them on the market. Ever since starting his career, he has been particularly interested in the solar industry.


Dr. Jiri Springer

Chief Technology Officer

Dr. Springer received his doctorate in photovoltaics from well-known institutes in Germany and the Czech Republic. After completing his doctorate, he left academia and played a leading role in setting up and operating numerous solar and semiconductor production facilities.


Uwe Gey

Chief Financial Officer

Uwe Gey has managed the commercial aspects of various companies in the past and developed them from start-ups to international, medium-sized producing businesses. A graduate of business studies, he also brings valuable experience from the consulting industry from the beginning of his career.


Mirko Koehler

Business Development Manager

Mirko Köhler has almost 10 years of experience in research and development in the field of construction technology and has been part of the management of international planning offices. As a BIM manager, he is committed to digitalization and sustainability in the construction industry.

Advisory Board:


Dr. Wilhelm Stein

Chairman of the Advisory Board

As of the early days of the solar sector, Dr. Stein has been an industry expert, with almost 20 years of experience and an extensive network.

Kai Malkwitz

Member of the Advisory Board

Kai Malkwitz is a successful entrepreneur in the cleantech industry as well as a business angel and consultant in more than a dozen companies. He brings with him a broad network of investors and experts, which he continuously maintains and expands on.


Norman Nagel

Member of the Advisory Board

Norman Nagel has more than 10 years of experience in the automotive industry and currently leads MAHLE’s global business and (advance) product development in the field of industrial thermal management.


About Sunmaxx PVT and the team:

Sunmaxx is an innovative developer of PVT systems . With its globally unique technology, the cleantech start-up combines solar and automotive know-how in its products for sector coupling. With this, Sunmaxx wants to revolutionize the electricity and heat market. Sunmaxx pursues its vision of enabling completely climate-neutral residential, office and industrial buildings. Especially in combination with heat pumps, there is enormous potential for a fossil-free heat supply. As a result, the company’s PVT systems, which has been active in Dresden since 2021, are not only suitable for mass production, but also attractively priced, which means that economical solutions for complete decarbonization in the heating sector can be developed. In addition to providing heat, the Sunmaxx PVT modules can also be used very effectively for passive cooling of buildings.

We are happy to accept pre-orders and reservations for our PVT modules by e-mail or by telephone:

+49 351 8547 7200

Sunmaxx PVT GmbH
Technologiezentrum Nord
Manfred-von-Ardenne-Ring 20
01099 Dresden

+49 351 8547 7200

Social Media: