Winna Efendi is a passionate writer and reader who has made significant contributions to both English and Indonesian literature. She began her career as a freelance reporter for an in-house magazine and as a fashion journalist/contributor for Fasity, an Indonesian fashion community.

Her fiction work includes several novels such as Kenangan Abu-Abu (February 2008), Ai (February 2009), Refrain (September 2009), Glam Girls Unbelievable (December 2009), Remember When (March 2011), Unforgettable (January 2012), Truth or Dare (Gagas Duet May 2012), Melbourne: Rewind (2013), SCHOOL Tomodachi (2014), Happily Ever After (2014), and Girl Meets Boy (2015).

In addition to fiction, Winna has also published a non-fiction book, Draf 1: Taktik Menulis Fiksi Pertamamu, which guides aspiring writers through the process of writing their first fiction.