As an economist, Balázs Lengyel first joined and gained experience at a Hungarian company constructing electric power grids, installing solar power plants and implementing energy efficiency projects. His main tasks were the financing of the company itself and individual projects. He was also responsible for overseeing the controlling and finances department. Being always curious about sustainability and the future of energy in 2016 he enrolled and received a post graduate diploma as an energy economist at Corvinus University Budapest. He worked at the Ministry of Innovation and Technology, Department of Decarbonization as an energy efficiency officer.
Balázs Lengyel joined Zero Carbon Hub, where he mainly deals with energy efficiency projects as a part-time associate.