Ing. Milan Belik, Ph.D. is a renowned expert in renewable energy systems, computer simulation, and optimization of power generation and consumption. With over 20 years of experience, his work focuses on photovoltaic system design, renewable energy system simulation, and technical condition analysis of RES. He serves as the Head of the Section of Environmental Technologies at the University of West Bohemia, Pilsen, Czech Republic, and also leads the Department of Renewable Energy Sources Simulation at the Czech Photovoltaic Association. Prof. Belik teaches undergraduate and professional courses on PV system design, delivers industry-oriented lectures and tutorials, and has presented 18+ invited talks across India, Ukraine, Germany, and Spain. He mentors international training programs and Horizon Europe projects and has been the principal investigator in six European projects on renewable energy digitalization.