Nancy Van Erp is a former K-12 teacher who taught and coached at the 5-8 and 7-12 grade levels. She earned a Master of Arts in Learning Technology and has been teaching teachers and working in the online environment for the past 12 years. Nancy earned her Ph.D. online and her dissertation focused on critical thinking in the online graduate environment. She is a big fan of student-centered, constructivist and collaborative learning environments for learners of all ages. Nancy actively tweets about education and advocacy at @IfNotUsThnWho.