Dr. Collier has over 30 years experience in Cross-cultural bilingual, and special education. She has been a classroom teacher, a resource room teacher, a diagnostician, and the director of a teacher-training program specializing in certification of bilingual paraprofessionals at all teaching levels.
Dr. Collier has worked with the BUENO Center for Multicultural Education, Research, and Evaluation where she created and directed the Bilingual Special Education Curriculum/Training project (BISECT). She has served as the director of Resource and Program Development for the American Indian Science and Engineering Society at the University of Colorado and is the author of several books and articles on cross-cultural and multilingual special education.
Dr. Collier has worked for government agencies, universities, and school districts. She now works extensively with school districts, departments of education, and community organizations to ensure a high quality of education for ELL, LEP, and CLD students.