Jeanie Castillo, M.A. in Linguistics, is an instructor, writer, and curriculum designer with 15 years of experience developing and teaching courses in a variety of fields including English language instruction, academic writing, linguistics, and career and business development. Her teaching career began at the American English Institute in Fresno, California which served international students seeking to improve their English-language abilities in order to enter an American university. Jeanie later taught academic writing at the University of California at Santa Barbara, the University of New Mexico at Gallup, and online for the University of Phoenix. Currently, she teaches face-to-face and online classes for the University of Montana in the Linguistics Program and for the English Language Institute.