dram·a·turge 
(drămə-tûrj′, drämə-)
(drămə-tûrj′, drämə-)n.
1. A writer or adapter of plays; a playwright.
2. often dram·a·turg (-tûrg′) A person who is employed by a theatrical or opera company to assist in researching, selecting, adapting, or interpreting scripts or libretti.
[French, from Greek drāmatourgos : drāma, drāmat-, drama; see DRAMA + ergon, work; see werg- in the Appendix of Indo-European roots. Sense 2, from German Dramaturg, from Greek drāmatourgos.]