[3] He has received numerous awards that allowed him to do research in Romania, Russia, Hungary, France, Switzerland, Lithuania, and the United States of America.

On September 17, 2019, he left Bloc ACUM invoking the continuation of alliance with pro-Russian Socialist Party, considered "a political mistake", and run as independent candidate for Mayor of Chișinău, coming in 4th place with 5% of votes.

Next year, as result of lost Parliamentary elections on July 11, 2021, O.Țîcu has retired from PUN leadership and from political activity, and returned to academic issues.

"[7] Țîcu has stated that the principal goal of his presidency if elected would be Moldova’s integration into the European Union and the rejection of Putinist forces throughout the country.

"[8] He also vowed to increase the quality of life and economic strength in Moldova, promising to support domestic producers through tax breaks, preferential loans, and access to export markets in the European Union and in the world.