Prof. dr. sc. Marijan Herak is a distinguished Croatian seismologist and full professor at the Department of Geophysics, Faculty of Science, University of Zagreb. He graduated in physics-geophysics in 1981, and received his master's degree in 1985. He defended his doctoral dissertation in 1991 at the University of Zagreb. He trained scientifically in Germany, Italy, the USA and China. In his scientific work he deals with numerous aspects of seismology, with special emphasis on studies of seismicity in Croatia, research into the properties of the Earth's interior, surface waves, earthquake quantification, historical seismology, earthquake statistics and work related to seismic hazard and threat assessment. He has published 83 papers in international peer-reviewed journals (Wos, Scopus, CC) and dozens of other papers, as well as many studies. According to Google Scholar, his works have been cited more than 2,000 times with an h-index of 27. He is also the author of computer programs for various seismic data analyses and the main author of the Croatian Seismic Hazard Map. He has organized a number of international conferences and workshops and participated in more than 20 international and domestic research projects (in about half of them in the role of principal investigator or leader of the Croatian team). The professor distinguished himself in the academic community by performing the duties of the head of the department and vice-dean of the Faculty of Science for International Cooperation for two terms, and he also served as the president of the University Council of Natural Sciences. He was the president of the Scientific Council for Remote Sensing of the Croatian Academy of Sciences and Arts (HAZU), as well as the editor-in-chief of the journal Geofizika. M. Herak is the Croatian representative in the European Seismological Commission and an associate member of the Croatian Academy of Sciences and Arts. In 2016, he was awarded the ‘Andrija Mohorovičić’ award of the University of Zagreb.