Authors & Presenters

Greg Kushnir is an educational leader and presenter with over three decades of dedicated service in public education, specializing in oral language, reading, and writing disabilities. He is committed to enhancing educational outcomes for all students.

David LaRose is an education coach and presenter specializing in PLCs, RTI, leadership, and organizational culture. He is former superintendent for Culver City Unified School District in California.

Cortney Lane is a passionate, National Board–certified high school math teacher and instructional facilitator in Quitman, Arkansas. She promotes teacher collaboration to ensure high levels of learning for all.

Chad Lang, associate superintendent of school improvement at Glenwood Community School District in Iowa, brings two decades of experience in teaching, administration, and district leadership, with expertise in curriculum development, grading reform, and Professional Learning Communities (PLC) at Work®.

Education specialist Kristi S. Langley most recently served as a district-level director of professional learning communities and a director of data and assessment. She has repeatedly facilitated successful schoolwide implementation of the professional learning communities process for more than 25 years.

Dusti Larsen, MEd, currently serves as the alternative learning environment teacher focusing on behavior plans and social-emotional skills at Gravette Upper Elementary in northwest Arkansas. She is also the coordinator of math interventions.

Brig Leane, a consultant, has over 20 years of experience in education as a teacher, assistant principal, and principal in a variety of settings.

Kristina Leckliter is an innovative educational leader who has served as an elementary teacher, instructional coach, reading specialist, and induction mentor specialist. She is also a professional learning community trainer for a Model Professional Learning Community at Work® district in Phoenix, Arizona.

Obie Leff has more than 30 years of expertise in education and leadership. He currently serves as director and principal of Twin Rivers Charter School, a 2024 Model PLC at Work® and National Blue Ribbon School.

Cheyana Leiva is a transformational leader who understands the challenges schools are facing and the strategies necessary to improve. As a principal, she led her high-poverty school to an A rating in three years.