Mario Krnić was born on August 15, 1974 in Split. He finished primary and secondary school in Omiš. He graduated in mathematics (1997), majoring in theoretical mathematics, received his master's degree in the subject of Representations of braid groups and quantum groups (2000, mentor: D. Svrtan) and his doctorate in the topic On some inequalities of the Hilbert type (2004, mentor: J. Pečarić). He worked at PMF from 1998 to 2006. In June 2006, he transferred to FER, where he was elected to the position of assistant professor. In April 2011, he was elected to the scientific-teaching position of associate professor, and in January 2017 to the scientific-teaching position of full-time professor at the Faculty of Electrical Engineering and Computing, where he is still employed today. He was elected to the scientific title of permanent professor in April 2022. The basic area of his scientific interest is Hilbert and Jensen-type inequalities, their generalizations and interpretations in both the real and operator cases. So far, he has published 95 scientific papers in reputable scientific journals. He participated in several scientific projects, gave about twenty lectures at international conferences. He is a member of the editorial board of the international scientific journals Turkish Journal of Mathematics and Journal of Inequalities and Applications. Since 2019, he has been the editor-in-chief of the Journal of Mathematical Inequalities.