Šimon Lacena is a director at the Climate Change Mitigation Department at the Ministry of Environment of the Slovak Republic, where he is in charge of implementing and monitoring climate and energy-related policies of the EU and preparing the first national Climate Act of the Slovak Republic, which sets the climate neutrality target for 2050. He previously served as a Senior State Advisor at the Ministry of Environment of the Slovak Republic. He also completed a traineeship at the Permanent Representation of the Slovak Republic to the EU, focusing on policy issues related to energy, environment, and transport. He graduated from the Russian State Agrarian University and the Slovak University of Agriculture in Nitra.