He's in the Magic Quarter on the inner ring. Find him south of the huge tree next to the Kodohide Leatherworks. The Draenei you are looking for is called Refik and he can be found in the section dedicated to Tailoring. You can find these fashion lifesavers in the Trader's Tier. Thanks to our innovative tailors, we no longer wear such impractical outfits.
She can be found in the bottom area of the cabin that’s dedicated to Leatherworking and Tailoring. You can find her in The Craftsmen's Terrace in northeastern Darnassus. Unless your needle is so blessed, you best pay her a visit and listen to her teachings. Enter his shop and turn left, you can't miss him. Should you be needing some training, then you'll find him at Stonebrow's Clothier on the northern side of The Great Forge. You'll find him in a little shop called Duncan's Textiles, he is standing close to the stairs. If you wish to learn from him, you can find him over in the Mage Quarter in the outer rim.
He's been setting the trends for some months now. A tailor is it? Well, if you hang out here long enough you'll eventually hear word of mouth about Georgio Bolero.You don't have to visit different trainers. You can learn Apprentice, Journeyman, Expert, and Artisan Tailoring from trainers in every major city.