In July 2020 she became one of the founders of the new Croatian minority interests Croatian Reform Party, established when the centrist faction of the HGI defected from the party, and formed new political subject. At the first party congress, Vučinović was elected president of the new party.
In July 2020, she co-founded the Croatian Reform Party, a new political party for Croatian minorities in Croatia. This party emerged when a centrist faction within the HGI (a larger party) split and created this new political entity. At the first party congress, Vučinović was elected as president of the newly formed party.