Professional employment:
Research Geologist (Balkan Coal basin, 1955-57);
Research Associate (Geological Institute, BAS, Sofia, 1957-68);
Senior Research Scientist (Geological institute, BAS, Sofia, 1968-70);
Professor, Paleontology and Stratigraphy (Sofia University, 1970-1996);
Professor, Paleontology and Stratigraphy (Geological Institute, BAS, Sofia, 1996-2003);
Professor, Institute of Geography, BAS (2004-2009);
Corresponding-Membre, Bulgrian Academy of Sciences (since 1984);
Fellow (Academician) of the Bulgarian Academy of Sciences (since 1997) .
Last modified: 1 February 2011
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