David Zelený has been working at SEVEn since September 2024. For about a year before he joined the company, he had already been working on his thesis here, a study of high-performance heat pumps that use river water for their operation. Within SEVEn, his primary focus is on preparing documents and creating studies for various energy saving projects. He joined the company immediately after graduating from the Faculty of Electrical Engineering at the Czech Technical University with a degree in Management of Energy and Electrical Engineering.