Dr. Matljevic was Dean of the Faculty of Mathematics, University of Belgrade 2007-2014, corresponding member of the Serbian Academy of Sciences & Arts from 2012-2018, academician of the Serbian Academy of Sciences & Arts from November 8, 2018. He spent the winter semester 1988 as an associate professor at the University of Pittsburgh, and Associate Professorship during 1988/89. at Wayne State University, Detroit. His research is related to harmonic mappings, quasiconformal mapping, geometric inequalities, and elliptic partial differential equations. He published about 100 scientific papers in well internationally known journals. Dr. Matljevic delivered about 30 invited lectures and about 10 plenary lectures.