Tchoumitcheva entered the national "Miss Switzerland" pageant in 2006. Tchoumitcheva was judged as both 1st runner-up and Miss Photogenic. After the contest she was considered the "most eligible single woman in Switzerland" and in May 2009 she has been elected as the Best Bikini Body, according to a survey by the magazine Schweizer Illustrierte.　　She graduated in 2010 after having achieved a 3-year Bachelor Degree in economics. She speaks five languages (Italian, Russian, German, French and English).　　In 2011, Xenia began a summer internship in JPMorgan's Investment Banking group. She has previously worked at Merrill Lynch and Duet Group