His childhood was also significantly influenced by the family of his mother's sister, a famous St. Petersburg artist Olga Tsutskova.

He worked as an anesthesiologist in the clinic of the faculty surgery academic department in the Pavlov Medical University, then in the Emergency Situations Ministry hospital.

[1][3][4] Since 2009, Petr Voskresensky was one of the co-organizers of the annual March Against Hate [ru], dedicated to the memory of the scientist and anti-fascist Nikolai Girenko, who was murdered by neo-Nazis.

And in 2016, on the eve of the action, police raided the office of LGBT activists, confiscated posters, and Voskresensky was arrested.

[5][6][7][8] Petr Voskresensky was the organizer of a Russian-language group at Baltic Pride from 2014 to 2019 that raised issues including the Russian-Ukrainian war, Russian imperial homophobic policies, and the genocide of LGBT people in Chechnya.

[15] He was prompted by the news of the death of art historian Yuri Piryutko [ru], who had previously organized similar events.

[16][17] As part of this educational project, Voskresensky also campaigned to have the criminalization of homosexuals in the USSR recognized as political repression.

[28][29] In 2013, Voskresensky staged a performance during a march with a doll of homophobic politician Vitaly Milonov in a wedding dress.

[1] This time for the procession Petr Voskresensky created a moulage of the Pink Tank, referring to the famous anti-militarist performance by Czech artist David Černý.

[38][39][40][41] In 2016, Rainbow May Day was banned and activists blocked traffic on Nevsky Prospekt at the Anichkov Bridge in protest.

[42][43][44] On May 1, 2017, in connection with the genocide of LGBT people in Chechnya, Petr Voskresensky again organized the blocking of this central avenue.

[45][46][47][48][49][50] In early 2017, Vyacheslav Makarov, the speaker of St. Petersburg's parliament, declared the LGBT movement to be the special forces of the Russian opposition.

[1][17][61][62][63][64][65][66][67] In December 2022, Petr Voskresensky became one of the signatories of a petition by human rights activists in defense of the Moscow Helsinki Group, which is being liquidated by the Russian authorities.

[2] In 2023, Alla Manilova, the new director of the Russian Museum in St. Petersburg, disrupted the opening of an art retrospective exhibition by Timur Novikov and his New Academy.

A number of his Wikipedia articles have been honored with awards: (Vera Gedroits, Edward II of England, Solovetsky Stone (Saint Petersburg), Last Address, Sandarmokh etc).