He works as a scientist both in Hungary and around the world, and has published in several languages: English, German, Slovak, Croatian, Romanian, French, Russian, Italian, Czech, Turkish and Hungarian.

He took M. A. degrees at the Eötvös Loránd University (ELTE), Faculty of Arts in History (1994) and archival studies in 1995.

[1] During his academic years he also learned Turcology and Slavistics because he was interested in the history of Ottoman Empire, and its relations with Kingdom of Hungary.

[2] He has been working at the Institute of History of Research Centre for the Humanities of Hungarian Academy of Sciences, Budapest since his graduation.

[5] His working papers were issued in both national and international research scientific journals, and circa 400 scientific articles and books were published in several languages: English, German, Slovak, Croatian, Rumanian, French, Russian, Italian, Czech, Turkish and Hungarian.