Ready for a 100 percent renewable future for everyone.

About Sunmaxx PVT and the team:

Logo Sunmaxx PVT

Sunmaxx is a leading global developer of innovative PVT systems

With a singular technology, we combine solar and automotive expertise in our products for sector coupling. Our goal is to revolutionize the electricity and heat market, pursuing a vision of completely climate-neutral residential, office, and industrial buildings. PVT modules, especially in combination with heat pumps, offer an efficient heat supply and passive cooling without the need for fossil fuels.

We have been active in Dresden since 2021, developing attractively priced PVT systems that are suitable for mass production. With this, we are contributing to an economical decarbonization of the heating sector.

Management Team:

Wilhelm Stein

Dr. Wilhelm Stein

Chief Executive Officer
Dr. Stein has over 25 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

Dr. Jiri Springer

Chief Technology Officer
Dr. Jiri Springer has over 15 years of experience in solar and semiconductors. He received his Ph.D. in physics and photovoltaics in Germany and the Czech Republic. After completing his post graduate studies, he left academic position and played a leading role in setting up and operating numerous solar and semiconductor production facilities.
Uwe Gey

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.
Franz Ziering

Franz Ziering

Chief Sales Officer
Franz, an experienced professional with over 20 years in the solar PV industry, brings his wealth of knowledge and passion as Sunmaxx PVT's Chief Sales Officer. Having witnessed the remarkable potential of PVT technology in reducing carbon emissions from heat and electricity, he eagerly anticipates connecting customers with this groundbreaking solution. With an extensive background in the solar industry, Franz's expertise will play a pivotal role in shaping the future of the PVT business.
Franziska Liedtke

Franziska Liedtke

HR Business Partner
Employees have priority for Franziska Liedtke. With more than 17 years working as an HR manager in the semiconductor, mechanical engineering, and health services industries, she connects employers with their main resource: quality employees who meet business needs. As a psychologist with an MBA and consulting skills, she is an asset to our team.
Mirko Koehler

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.
Kathleen Gong

Kathleen Gong

Senior Project / Marketing Manager
Kathleen Cheng Gong holds master’s degrees in European and international energy law and civil engineering. With extensive project management experience and passionate commitment to green and sustainable development, she brings expertise in EU and Asian market policies and regulations in smart city and energy management.

Advisory Board:

Dr. Wilhelm Stein

Dr. Wilhelm Stein

Chairman of the Advisory Board
Dr. Stein has been a solar industry expert since the sector’s early days, with almost 20 years of experience in the field and an extensive network.
Kai Malkwitz

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.
Birthe Roß

Birthe Roß

Member of the Advisory Board
Birthe Roß is an investment manager at TGFS. She draws on her experience as a VC in the early-stage phase and supports young tech companies in the fields of Advanced Materials, Cleantech, and Foodtech, among others, in their company development.
Norman Nagel

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.

Interested in decarbonizing your company, city or community? Secure your project today and contact us.

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