Elizabeth Hand, Neil Gaiman, Joe Hill, Justina Robson, Ellen Datlow, and Samuel R. Delany will be teaching at Clarion West in Seattle from June 23 through August 2, 2013.
Andy Duncan, Nalo Hopkinson, Cory Doctorow, Robert Crais, Karen Joy Fowler, and Kelly Link will be teaching at Clarion at UC San Diego from June 23 through August 3, 2013.
The two workshops are each accepting applications through March 1, 2013. See their websites for instructions and more information.
Update, 2/5/13: Margo Lanagan will be teaching at Clarion West instead of Justina Robson.