Douglas Fisher is professor and chair of educational leadership at San Diego State University and a teacher leader at Health Sciences High and Middle College. Previously, Doug was an early intervention teacher and elementary school educator. He is a credentialed English teacher and administrator in California. In 2022, he was inducted into the Reading Hall of Fame by the Literacy Research Association. He has published numerous articles on reading and literacy, differentiated instruction, and curriculum design, as well as books such as The Teacher Clarity Playbook 2/e, Your Introduction to PLC+, The Illustrated Guide to Teacher Credibility, The Teaching Reading Playbook, and Welcome to Teaching!.

Nancy Frey is a Professor in Educational Leadership at San Diego State and a teacher leader at Health Sciences High and Middle College. She is a credentialed special educator, reading specialist, and administrator in California. She is a member of the International Literacy Association’s Literacy Research Panel. Her published titles include The Illustrated Guide to Visible Learning, Welcome to Teaching Multilingual Learners, Teaching Foundational Skills to Adolescent Readers, and RIGOR Unveiled: A Video-Enhanced Flipbook to Promote Teacher Expertise in Relationship Building, Instruction, Goals, Organization, and Relevance.

Kierstan Barbee, EdD, is a full-time consultant with Corwin. She most recently served as a project manager of assessment for learning in Dallas Independent School District, which involved creating system-wide professional learning programming for central staff and campuses that promoted the spread of research-based practices. Through an emphasis on relationship-building and human-centered design principles, Kierstan has coached PreK-12 principals, teachers, and district leaders on pedagogical practices that promote equity and student agency. She also previously served as a secondary English Language Arts teacher, academic coach, and professional development supervisor. She holds teaching credentials in Texas and earned her master’s degree from Harvard University and her doctoral degree in educational leadership and literacy from University of Houston.

Aida Allen-Rotell, MA, is currently a full-time professional learning consultant for Corwin and a teaching clinician. She was previously a bilingual teacher in an elementary school, where she taught grades K-6 for 15 years, as well as a high school special educator, academic coach, coordinator of services for multilingual learners, and administrator. She holds teaching and administrative services credentials in California and earned her master’s degree in education from San Diego State University. She led efforts to improve student learning, which resulted in her school earning academic distinction for impacting the lives of students living in poverty, becoming a Visible Learning+ Gold Certified school, and improving academic language for multilingual learners. She also served as an advisor to many high school clubs, was the student government advisor, and led students to championships for 10 years in Health Occupations Students Association (HOSA) competitions. She is dedicated to developing teacher and leadership mindsets for diverse learning populations. Aida is the co-author of PLC+: A Playbook for Instructional Leaders.