[24][25] During her tenure as a Council member, Olena advocated for the improvements in public utilities standards and engaged in educational activities on the topic.

[39] After the beginning of the Russian invasion of Ukraine, Olena Halushka, together with her colleagues and the Kazimierz Pułaski Foundation, founded the International Centre for Ukrainian Victory (ICUV) in Warsaw.

[40][41][42][43][44] During the first months of the war, together with her team, she engaged in advocacy work which included meetings with U.S. congress members and U.S. Secretary of State Antony Blinken to expedite aid to Ukraine.

[43][45] On October 25, 2022, Halushka spoke at the International Expert Conference on the Recovery, Reconstruction, and Modernization of Ukraine, which took place in Berlin and was attended by Chancellor of Germany Olaf Scholz and President of the European Commission Ursula von der Leyen.

[52][53] As part of ICUV's activities, Olena Halushka engaged in the advocacy campaign for Leopard 2 tanks and fourth-generation F-16 aircraft to be supplied to Ukraine.