Russian software developer from Moscow. Works at Hippo, an American startup, as an open-source developer and technical consultant. Loves stickers, coffee, craft beer, psychology, Nintendo Switch, and drawing (all talk illustrations are his own). Authored the wroclove.rb 2019 talk 'Events events events' on event sourcing in Ruby. Maintains the hanami-events gem and works a lot with 'drive system' (dry-rb) and ROM ecosystems.