A multilingual educator and researcher with expertise in the instruction and assessment of multilingual learners (MLs), Dr. Staehr Fenner is the founder of SupportEd, LLC, a woman-owned small business based in the Washington, DC metro area. Diane's expertise is in ML instruction and assessment and in training all teachers who work with MLs in K-12 classrooms. She is an author of eight books on multilingual learner education and a frequent keynote presenter at conferences across North America.Diane founded SupportEd in 2011 as a way to empower MLs and their educators. At SupportEd, she oversees SupportEd's professional learning throughout the United States and Canada. She frequently develops and facilitates professional learning on scaffolding content instruction, academic language, valid formative assessment, culturally responsive teaching, advocacy, leadership, and social and emotional learning for multilingual learners. Dr. Staehr Fenner has collaborated on projects to support MLs with U.S. Department of Education, Office of English Language Acquisition. She provides expertise in multiple statewide projects to support programming for newcomer MLs. She has collaborated with various districts in creating ML Master or Strategic Plans, such as the Los Angeles Unified School District (CA), Jefferson County Public Schools (KY), Syracuse City School District (NY), Reading School District (PA), and South Portland School Department (ME). She was a research associate at George Washington University’s Center for Excellence and Equity in Education, spent a decade as an ESOL teacher, dual language assessment teacher, and ESOL assessment specialist in Fairfax County Public Schools, VA, and taught English in Mexico and in Germany as a Fulbright Scholar.