Marga Melià was born Palma de Mallorca in 1982. She moved to Barcelona in 1999, where she graduated in Journalism and attended an International Master's Degree in Scriptwriting (UAB).

After living for a while in Berlin and Bologna, she worked as a journalist in different media and she published a book: Soportando el paraíso (Lunwerg, 2011). Together with Xisco Martorell, she opened the production company Nuu Films in 2012. Since then, she has worked as production manager, film editor, assistant director, scriptwriter and script doctor for Nuu Films' projects and also for other companies as a freelancer.

She has written and directed the shortfilm El síndrome del calcetín desparejado, the documentary film Un solitario baile con el miedo and several music videos. Bittersweet Days is her first feature film. She is the President of the Balearic Islands Filmmakers' Association (ACIB) since 2015. She speaks Spanish, Catalan, English, French, Italian and a bit of German.