Speaking seven languages, Haddad is a polyglot and has published several works of translation, including an anthology of Lebanese modern poetry in Spanish, published in Spain as well as in many Latin American countries. She is member of the Book and Reading committee in the Lebanese Ministry of Culture. Joumana Haddad has been awarded the Arab Press Prize in 2006. In 2009, she co-wrote and acted in a movie by Lebanese filmmaker Jocelyne Saab ("What's going on?").
In 2009, she was chosen as one of the 39 most interesting Arab writers under 39 and won the International Prize North South for poetry, of the Pescarabruzzo Foundation in Italy. In 2010, she won the Blue Metropolis Al Majidi Ibn Dhaher Arab Literary Prize and received the Rodolfo Gentili Prize in Porto Recanati, Italy.