Jovan Ajduković is a Serbianlinguist. Jovan Ajduković graduated from the University of Belgrade, Serbia in 1991. His main research interest is contact linguistics and Russian linguistics, in particular, study of Russianisms in Slavic languages, which was the topic of his Master and Ph.D. theses. From 2003 to 2012 he was an editor of the internationalonline journalBalkan Rusistics. Currently he is a member of the Advisory Board of The International Journal of Russian Studies . In April 2005 Jovan Ajduković gave three public lectures at the University of Vienna and the University of Graz, Austria. In October 2006 he gave a special lectures on Contact Linguistics and Russian Internet Resources at the Institute of Western and SouthernSlavic Studies, Warsaw University, Poland. Jovan Ajduković is best known for his contribution to the so-called "Theory of Contacteme" and for his A Contactological Dictionary of Slavic Languages: The Contactological Dictionary of Adaptation of Bulgarian Contact-Lexemes under Russian Influence, which formally describes the adaptation of Contact-Lexemes under Russian Influence on each level of language – orthographic, prosodic, phonetic-phonological, derivational, morphological, semantic, stylistic, syntactic and conceptual. According to Ajduković 2004 a contacteme, or the general unit of linguistic contactology "is a quantum of structured knowledge about the dominant language influence." Since January 1992 Jovan Ajduković is the Director of The Scientific Laboratory of Slavistics and Linguistics. He has published 12 books, and a lot of papers and articles. Professor Ajduković has been involved in the scientific project called Codes of Russian Cultures at the University of Belgrade, Faculty of Philology. Special part of the project has been dedicated to Russian language in contact with other Slavonic and European languages. He has attended various international symposiums on Philology, in Belgrade, Skopje, Sofia, Bratislava, Budapest, Bucharest, Odessa, Ohrid, Island of Rab, Herceg Novi, Timișoara, Porto Carras / Potidea Palace, Opatija, Bechichi, Istanbul, Szeged, Constanza, Moscow, Tirana and Sarajevo. Professor Ajduković has been a member of the Organising Committee of the International Conference "Cognitive Modeling in Linguistics – 2008" and "Cognitive Modeling in Linguistics – 2009". He also has participated in the XLVI International Seminar on Macedonian Language, Literature and Culture in Ohrid, Macedonia and the 43rd Seminar of Zagreb School of Slavic Studies in Dubrovnik, Croatia.