Efi Venianaki was born in Sydney and grew up in Athens.

She studied theatre in Athens at the G. Theodosiadis School and film at the Stavrakos School.

She has taken part in theatre, film and television productions as an actor, a director and a producer.

She is an executive at the Aigokeros publishing house.

he has written the novels: Three oceans and a sea (Psychogios Publications, 2010; fourth reprint: Aigokeros Publications, 2018) and The irregular stream (Psychogios Publications, 2016).

She has written the plays: Scream (three theatrical stories, Aigokeros Publications, 2015). Women on the verge of the night (2022); while she has also published the theatrical adaptation Madonna in a fur coat (Aigokeros Publications, 2023), based on the novel of the same name by Sabahattin Ali. The heavenly garden of Karyotakis (2024). Her most recent work is entitled ASTRA (2025).