In the 2019 parliamentary elections, he ran for the ACUM Platforma DA - PAS Electoral Bloc in 20th Constituency-Strășeni but was defeated by the incumbent Prime Minister, Pavel Filip.

[3] President Sandu appointed Grosu on 25 March 2021 to form the Government, even though she expressed her support to the dissolution of the Parliament in order to held snap parliamentary elections.

He said that those who survived the deportation to Siberia and returned to Moldova continued the battle against the Soviet regime:[10] They preserved the memory, passed it on to the children, and the religious holidays..

But the time will come, and we know that this will happen after Ukraine's victory in the war, when these atrocities will be condemned and punished.In April 2024 Grosu as House President remembered the Soviet role in the Moldovan famine of 1946-47.

[13] He said:[14] This was a horrific famine orchestrated by the Soviet communist regime that caused immense suffering for hundreds of thousands of people.. We must discuss and remember this dark period of our past.

It is our duty to shed light on the famine, the deportations, and all the atrocities inflicted by authoritarian and dictatorial regimes throughout history.Grosu's politics later attracted the attention of Dmitri Medvedev, who presided over Russia from 2008-2012, and characterized Grosu as a "hypocritical fool".