Jes-Tereth

Grand Admiral Jes-Tereth is the current leader of the Alliance fleet and is located in Stormwind. Jes-Tereth spends most of her time discussing plans rather than actually sailing. She replaced the previous Grand Admiral  Daelin Proudmoore. Jes-Tereth is considered the expert in the Alliance on all naval matters, and was instrumental in the war efforts in Northrend and more recently in Pandaria.

Refrences
Adapted from Wowpedia