Zakhar Vnutskikh was born in 2010 in Perm. He started his piano training at the age of five at the Polazna Children's Arts School in the Dobryansky District of Perm Region. Since 2018, he has been attending the Central Music School and Academy of Performing Arts in Moscow (under Darya Ryabova). He holds a scholarship from the New Names Foundation.
He was awarded Grand Prix at the 4th Constellation Competition for Young Musicians (2022), and won the 15th Youth Delphic Games of the CIS Member States (2021), as well as the 20th Youth Delphic Games of Russia (2021, Perm). He has also received prizes at the 1st National Competition for Scholarship Holders of the New Names Foundation (2021) and the 5th Astana Piano Passion international youth piano competition in Kazakhstan (2019, 2nd place). 
He has participated in projects led by Denis Matsuev and performed in concert halls across Russia. He has appeared with the State Orchestra of the Republic of Tatarstan headed by Alexander Sladkovsky, the Symphony Orchestra of Belgorod State Philharmonic, and the Governor's Symphony Orchestra of Kuzbass under the baton of Yuri Tkachenko.