Cleantech Bulgaria (CTBG) is a business network for clean technologies, innovation and sustainable development. The organization is working actively to introduce resource-efficient solutions leading to a shift to new business models in the field of the low carbon and circular economy. CTBG is a catalyst for innovative solutions and a trusted partner of national and international public authorities, science and educational institutions and leading businesses and industrial players. CTBG is an official partner in the country of the European Institute of Innovation and Technology (EIT) – a body of the European Commission, in the areas of Manufacturing, Agrifood and Climate Change, managing three EIT Regional Innovation Hubs of EIT Manufacturing, EIT Food, and EIT Climate KIC. The organization is coordinator and partner in a number of international projects at Horizon 2020, INTERREG, ERASMUS+ and various national programs and initiatives.