Kryzhanivsky was nominated as a candidate for People's Deputy by the labour collective "UkrNDI proektstalkonstruktionsia". On 19 March 1990, he was elected as a
People's Deputy of Ukraine with 48.80% of the vote in the second round of elections. Kryzhanivsky, the candidate of the opposition
Democratic Bloc, faced ten opponents during the election. He later joined the Nova Ukraina faction, and was the chairman of the subcommittee of the commission of the Verkhovna Rada of Ukraine on human rights. In 1991, he became the Plenipotentiary representative of Ukraine to Russia. On 11 March 1992, Kryzhanivsky became the first Ambassador of Ukraine to
Russia. On 12 September 1994, he was dismissed as ambassador by President
Leonid Kuchma That same year, he became the executive director of MP "Plastic", based in Kyiv. From 2007 to 2009, he was the chairman of the association "Vinnytsia in Kyiv". == Political views ==