glowbell GmbH was founded in Berlin in 2011. Our focus is on services, trading and brokerage with a focus on renewable energies for national and international business and private customers.

We will support you with energy and motivation!

• Karina Marhenke
• Managing Director
• Karina Marhenke holds a degree in business law (FH) and is a wholesale and foreign trade clerk. With her many years of experience in questions and solutions in the photovoltaic industry, Karina is the heart and the driving force of glowbell.

• Andrea Zapfe
• Managing Assistant
• Andrea Zapfe is an assistant to the management and trained office administrator. She is our central point of contact in the secretariat and takes care of all correspondence and requests.

• Vanessa Schneider
• Finance & Controlling
• As a graduate banker, Vanessa always demonstrates the right skills for everything to do with figures and numbers. She supports the management and the back-office with her extensive knowledge and skills.

• Sandra Runge
• Sales
• Sandra is a trained office administrator and has been supporting us in our back-office since the beginning. Even in exciting times, she keeps track of the situation and takes immediate action.

• Marianne Krämer
• Sales
• In Regensburg, Ms. Krämer with her many years of sales experience in the office and field service will be at your side. The trained office administrator, born in Munich, has been firmly rooted in the solar industry since 2009.