Staša Gejo  Staša Gejo (; born 25 November 1997 in Niš) is a Serbian sport climber. She was the 2015 World Junior Champion in both Bouldering and Combined. In the senior category she won the 2017 World Games in Bouldering. She was the 2017 European Champion in Bouldering and came in third in Combined. In 2018 she came in third at the Boulder World Championship. Youth Adult Youth Adult