In Which Addison is named Chief of Surgery of SGH, and Meredith, her girlfriend, rewards her. Based on the 'Chief Shepherd' scene with Derek in GA-6x20, (but without the Derek part!) . F/F. Meredith Grey/Addison Montgomery. MerAdd. Meddison. Rated E for Explicit. Office Sex. Inspired by "Chief Shepherd's Seduction by Kate MB on Fanfiction... Here's a lesbian version ;)