At the age of 14, Šimon became the first Czech ambassador for the global initiative Plant-for-the-Planet, eventually co-founding and managing the national organization Plant-for-the-Planet Czech Republic. Since then, he has educated over 1,000 children about the climate crisis while planting or fundraising for the planting of more than 20,000 trees, focusing largely on the restoration of the native forests of Global South countries.
Šimon is a graduate of the interdisciplinary course Global Sustainable Development at the University of Warwick, England. In his Dissertation, Šimon looked at the potential of ecosystem restoration to change the nature of climate-related storytelling, receiving the Best Dissertation award for the project. He loves journeys in the wild and is an amateur writer and musician.