Dr Zoran Knežević
Corresponding member of the Serbian Academy of Sciences and Arts.
Director of the Astronomical Observatory of Belgrade.
Editor-in-Chief Serbian Astronomical Journal & Publications of the
Astronomical Observatory of Belgrade.
President of the Organizing Committee (OC) of Commission 7 (Celestial Mechanics and Dynamical Astronomy) of the International Astronomical Union (IAU), member of Commissions 15 and 20.
Member of the OC of Division I (Fundamental astronomy) of the IAU.
Member of the Resolutions Committee of the IAU.
Member of Division for Planetary Sciences and of Division for Dynamical Astronomy of the American Astronomical Society, of the SPACEGUARD Foundation, and of the Society of Astronomers of Serbia.
Chairman of the Sub-Regional European Astronomy Committee.
Vice-chairman of the Board for Geosciences and Astronomy of the Ministry of Science and Technological Development of Serbia.
In charge of the maintenance of AstDyS site (asteroid database and proper elements service).