Sak was born in 1986 in Sivas. She is of Circassian descent. She finished her high school education there, and in 2006 moved to Istanbul. She graduated from Istanbul University with a degree in American Culture and Literature studies. After appearing on stage during her high school years, in 2008 she joined Beşiktaş Culture Center and portrayed the character of Zeytin in the play Sizinkiler. In the same year, she appeared in a number of commercials for different brands. She made her television debut with the series Şen Yuva, in which played the role of Şehrazat. In 2011, she was cast in a program by Meltem Bozoflu, titled 5'er Beşer, in which she had the role of Sinem. She then joined the cast of Kanal D series Yalan Dünya, written by Gülse Birsel. In 2012, together with Sarp Apak and Öner Erkan she hosted the Golden Butterfly Awards. Between 2015–2018, she starred in Güldür Güldür. In 2017, she received the Best Supporting Actress award at the 28th Ankara International Film Festival for her role in Martı. She continued her cinematic career with roles in Dönerse Senindir, Ölümlü Dünya and Düğüm Salonu, and in 2019 she appeared in the drama series Bir Aile Hikayesi as Müjde Güneş.