Mario Zechner, an independent software developer, coach, and angel investor based in Graz, Austria. His technical expertise spans applied machine learning, data science, compiler engineering, and computer graphics. He has authored several books and numerous scientific papers. He was also a key member of a successful startup named RoboVM. The birth of his son marked a pivotal moment in his life, inspiring him to contribute to the community and use his skills to address societal issues.