doctor habilitat în chimie, profesor universitar
Președintele Societății de Chimie din Republica Moldova
| 1988-1992 | Head of the Physical Chemistry Department, State University of Moldova |
| 1991-1998 | Director of the Research Center of Ecological and Applied Chemistry, State University of Moldova |
| 1992-1998 | Head of the Industrial and Ecological Chemistry Department, State University of Moldova |
| 1992-1995 | Dean of the Faculty of Ecology, International University of Moldova |
| 1992-2006 | President of the Republican Committee for awarding prizes to young researchers in the field of science and technology |
| 1994-present | President of the Scientific Specialized Council for the nomination of the Doctor of Science degree |
| 1998-2001 | Chairman of the Commission for Culture, Science, Education, and Mass-media of the Parliament of the Republic of Moldova |
| 2000-2010 | Honorable President of the Moldovan Research and Development Association of the Republic of Moldova (MRDA) |
| 2001-2004 | Minister of Ecology, Construction and Territory Development of the Republic of Moldova |
|
2004-2018 2006-present 2011-prosent |
President of the Academy of Sciences of Moldova President of the Chemical Society of the Republic of Moldova head of the Research Centre of Physical and Inorganic Chemistry, Institute of Chemistry |