Premise: Kostyantyn Doroshenko (Ukrainian: Костянтин Володимирович Дорошенко ; born 29 October 1972, Kiev, Ukrainian SSR) is a Ukraine Art critic, contemporary art curator, media manager, radio host of talk radio station Radio Vesti (Ukraine). According to «Art Ukraine» magazine he is in the top five most influential Ukrainian curators and in the top ten leading art critics of Ukraine of 2000s.
Hypothesis: Doroshenko is a top selling artist.