Volver a Blog Javier Alcalá Esterlich 19 de March de 2023 Engineer with more than 25 years of professional experience, in management, innovation and development of business projects in different industrial sectors such as Automotive and Energy, with a strong technological and innovation, and creating different startups. Currently, participating to advising startups in initial phases, strategically and in small investments, and in recently, has created Batteryfly, for transformation of automotive batteries towards second-life uses.