| 1985 – 1986 | Postdoctoral Fellow, ENEA, C.R.E. Casaccia, Italy |
| 1986 – 1989 | Research Worker, Institute of Experimental Botany, Department of Plant Biotechnology, Olomouc, Czech Republic |
| 1990 – present | Head, Laboratory of Molecular Cytogenetics and Cytometry, Institute of Experimental Botany, Olomouc, Czech Republic |
| 1992 – 2000 | Lecturer, Palacky University, School of Natural Sciences, Department of Cellular Biology and Genetics, Olomouc, Czech Republic |
| 2001 – present | Associate Professor, Palacký University, School of Natural Sciences, Olomouc, Czech Republic |
| 1989 – present | Analysis of nuclear DNA content using flow cytometry; application of DNA flow cytometry in the analysis of genetic instability in vitro, systematics and taxonomy, including the analysis of intraspecific variation in genome size |
| 1992 – present | Chromosome analysis and sorting using flow cytometry; the use of flow-sorted chromosomes for physical mapping of DNA sequences, construction of chromosome-specific DNA libraries and isolation of molecular markers |
| 1997 – present | Analysis of plant genome organization using in situ hybridization and PCR in situ; isolation and characterization of repetitive DNA sequences |
| 1999 – present | Construction of large-insert DNA libraries, physical genome mapping |
| 2 | Academy of Sciences of the Czech Republic, Prague | (currently 1) |
| 9 | Czech Science Foundation, Prague | (currently 5) |
| 3 | Ministry of Education, Youth and Sports, Prague | (currently 1) |
| 1 | INTAS, Brussels | (currently 1) |
| 3 | International Atomic Energy Agency, Vienna | (currently 1) |
| 2000 – present | Co-chairmen, Genetics Improvement Working Group, PROMUSA, Global Programme for Banana and Plantain Improvement (Montpellier, France) |
| 2000 – present | Member of the Scientific Council of the Crop Plant Research Institute, (Prague, Czech Republic) |
| 2001 – present | Member of the Management Committee of the Global Consortium for Musa Genomics (Montpellier, France) |
| 2003 – present | Member of Advisory Board of the Centre of Excellence in Plant Agrobiology and Molecular Genetics, PAGEN (Poznan, Poland) |
| 2003 – present | Member of Scientific Council, School of Natural Sciences, Palacký University (Olomouc, Czech Republic) |
| 2005 – present | Member of Evaluation Panel of the Czech Science Foundation (Prague, Czech Republic) |
| 1992 – present | Lecturer (General Cytogenetics and Cytotaxonomy), Palacky University, Faculty of Science, Department of Cell Biology and Genetics, Olomouc, http://www.upol.cz |
| 1993 – 2005 | 9 international training courses |
| 1996 – present | 10 Ph.D. students (currently 3) |
| 1998 – present | 8 M.Sc. students (currently 2) |
| 1995 – present | Chromosome Research, Kluwer Academic Publishers, Dordrecht |
| 1998 – present | Biologia Plantarum, Institute of Experimental Botany, Prague |
| 2002 – present | Journal of Applied Genetics, Institute of Plant Genetics, Poznan |
| 2006 - present | International Journal of plant Genomics, New York |
| 1990 – present | Czech Society for Histochemistry and Cytochemistry (Prague, Czech Republic), member |
| 1997 – present | International Society for Analytical Cytology (Northbrook, USA), member |
| 1999 – present | European Cytogeneticists Association, (Clermont-Ferrand, France), member |
| 2002 – present | Czech Society for Analytical Cytology (Brno, Czech Republic), vice chairman |
| 2005 – present | Genetics Society of America (Bethesda, USA), member |