From 2000 to 2005 Aleksander was an adviser in the Ministry of Economy of Montenegro. He was also on the board for economy, finance and budget and the board for International Relations and European Integration.
From 2007 to 2011, he was lecturer at the Faculty for State and European Studies in Podgorica, on the subjects Economy of public sector and Public finances of the EU. He became Mayor of the Old Royal capital Cetinje from December 2010 and voted Best Mayor of the region in 2014. He has won significant awards and titles such as Order of the Star of Italy in 2014, for an extraordinary contribution to the promotion of Italian culture.