Inland Empire Staff Principal Profile Bill Moseley became principal of the SIATech Inland Empire in 2011. Prior to this position, he served as the acting site leader and the site’s English Teacher. As an English teacher, Mr. Moseley has worked with SIATech’s Learning Support Team to create curriculum for students. Mr. Moseley taught 7th and 8th grade at-promise youth for five years prior to joining SIATech. He obtained his BA in English and teaching credential from California State University San Bernardino.