Please answer the following question: What type of details about vladimir dragovic can be gathered from the following bio? Bio: vladimir dragovic -lrb- born 1967 in belgrade , serbia -rrb- is a full research professor at serbian academy of sciences and arts , the founder and president of the dynamical systems group and is co-president of the centre for dynamical systems , geometry and combinatorics of the mathematical institute of the serbian academy of sciences and arts . he was the principal of mathematical gymnasium belgrade 2004 -- 2008 . dragovic graduated and received his doctor of sciences in mathematics degree at the faculty of mathematics , university of belgrade , in belgrade , serbia , former socialist federal republic of yugoslavia . he has been working as a mathematics professor at mathematical gymnasium belgrade , as a special teacher , for 12 years , before becoming its principal in 2004 and served until 2008 . dragovic is the author and co-author of numerous books and collections of problems for elementary and secondary schools , as well as special collections of assignments for preparation for mathematics competitions , and mathematics workbooks used as a preparation for admission to faculties .
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- name - successor