Selin Köseoğlu was born in 1990. She had her high school education at Istiklal Makzume Anatolian High School and decided to continue her collage education in Hacettepe University and she choosed her department as Child Development and psychology after that she began to learn Spanish between 2008-2010.At the year of 2010 she attended the international project as a volunteer.She was a part of the group that protects historical artifacts and she worked with a group restores a historical castle in Beaufremount in France.In the same year she competed in the contest of international short story and had the 2nd place in the contest in the Lyon2 Lumiere University.In the year of 2011 she had the 2nd place in the Yerevan Musical State University in Armenia, 5th place in the John Cabot University in Rome. She participated a workshop named ''Literature and Imagination'' as a special student at Charles University in Prague. When she went back to Turkey, she had an education about ''Analysis of Movies'' and ''Writing film script' in Cinematek'. She decided to have a professional acting education that's because she participated a workshop of an italian workcenter actors named ''Physical Acting technic of Jerry Grotowski''. She entered the talent examinations of Acting Department of Hacettepe State Conservatory in 2013. She passed them all. At the first year of her education in conservatory she had a chance to act in a movie named ''They are Gone''.The movie shooted in Stockholm in Sweeden.She was one of the main characters in the movie. This movie competed in Istanbul Film Fest and Altın Koza Film Fest and had an award in Malatya Film Fest. She also participated a workshop of Sergei Tscherkasski who is a master of Stanislavski Technic came from St. Petersburg and they worked on a play of Anton Chekhov named ''The Seagull''. She still goes on her theatre education in Hacettepe Ankara State Conservatory.