Shortly afterwards, he worked as an officer to Yugoslav Embassy in Brussels, Belgium from 1960 to 1964 before taking a position in the Ministry again from 1964 to 1967.

[1] Following the overthrow of Slobodan Milošević on 5 October 2000, Jovanović was dismissed from the position of the Head of the Mission of Yugoslavia to the United Nations in New York City.

Jovanović took a stand at the trial of Slobodan Milošević at the Hague Tribunal on 14 February 2005, testifying for the defence.

Commenting on the incidents in North Kosovo in 2011, Jovanović said: "It should be clear to the West that their policies of arrogantly ignoring Serbian interests will not hold Serbia by their side.

[3] Similarly, in an interview on 26 September 2011 he stated that regarding Kosovo, Serbia did not use its strongest trump card yet - to stop with policies of approaching Euro Atlantic structures, which should have been done long time ago, but even now is not too late.