Alexei is a defence lawyer who has represented protesters and the Khachatryan sisters, three young women prosecuted for killing their abusive father. He is married with a young daughter he has not seen outside prison since 2023, and as a young man he loved the Harry Potter books. He was jailed for five years for his work as one of Navalny's lawyers. In winter 2025–26 he was moved through six prisons across Siberia despite dangerously high blood pressure.