David Irwin
David Irwin consults with school districts through his company, Language Development Opportunities LLC. He is a national board-certified teacher (NBCT) in English as a new language, a former member of the National Faculty for Sheltered Instruction Observation Protocol (SIOP) and President-Elect of the Washington Association for Bilingual Education (WABE). He teaches Curriculum and Assessment classes in the ESL Endorsement program at Washington State University Vancouver.