Managerial positions:
| 1970-2002. | Head of the Laboratory for Physiology, Maize Research Institute, Zemun Polje, twice elected; |
| 1982-1986. | Assistant Director of R&D Sector, Maize Research Institute, Zemun Polje ; |
| 1989-1995. | Deputy Director, Maize Research Institute, Zemun Polje ; |
| 2002. | Assistant Director of R&D Sector (for 10 months) |