Marko Rešetar was born on 19 November 1990 in Vinkovci, Croatia. He attended Primary school in Ljubešćica and then Secondary School for Electromechanical Engineering in Varaždin. After graduating from secondary school, he became a mechatronics technician. From 2009 to 2013, he completed undergraduate studies at the Faculty of Mechanical Engineering and Naval Architecture at the University of Zagreb. He graduated from the same faculty with a master's degree in mechanical engineering in 2015. Since 2015, he has been working as an expert employee in the Testing department of the Centre for Vehicles of Croatia, where he deals with the testing and approval of vehicles and ADAS/AD testing. He enrolled in doctoral studies at the faculty above in the same year. The field of research he dealt with during his doctoral studies is road transport emissions. During his doctoral studies, he published nine scientific papers as an author and co-author in journals and at international conferences in Croatia and abroad. He is a member of the non-profit associations Croatian Metrology Society (HMD) and Croatian Society for Motors and Vehicles (HDMV). He speaks and writes in Croatian, English and German.