Professor in the Solar Energy courses at Unicamp, having taught over 5,000 students. Holds a Master's degree in Electrical Engineering from Unicamp, and PhD candidate. Researcher at LESF-MV in various topics of Photovoltaic Solar Energy, aiming to contribute to the evolution of the national sector. Influencer on Instagram, known as ProfJL. Also a professor in the Storage Course at Canal Solar. Recognized as an influential figure in the academic field, highly read in the area, with over 50 scientific publications and 250 reviews in leading journals in the solar energy sector. Additionally, works as a consultant in Photovoltaic Projects, with vast experience in quality testing of photovoltaic solar energy equipment, particularly inverters.