Authors & Presenters

Gayle Gregory, a former teacher, has extensive experience as a staff developer and administrator. She has taught at the elementary, middle, and high school levels as well as in university settings.

Dr. Oliver Grenham is a visionary educational leader known for his expertise in competency-based learning, school transformation, and leadership development. He has pioneered innovative preK–12 systems, earned prestigious awards, and continues to advocate for student-centered learning.

Reuben J. Gresham, PhD, is a cluster superintendent for school improvement and operations with Gwinnett County Public Schools. He was a national award-winning high school principal, assistant principal, teacher, and coach.

Jon Grice is the director of fine arts at the award-winning Adlai E. Stevenson High School in Illinois. Previously, he served as the fine arts department chair and visual arts teacher at Riverside Brookfield High School in Illinois.

With over 25 years of experience in education, Annie Griffin has transformed classrooms and schools into positive, collaborative learning spaces. She specializes in the PLC process, rural education, literacy, and creating positive culture in schools.

Gavin Grift is a best-selling author and is founder and CEO of Grift Education. His passion, commitment, humor, and highly engaging style have made him one of Australia’s most in-demand PLC presenters. His leadership in the education industry fueled the development of PLC networks across Australia and culminated in the establishment of the Centre for Professional Learning Communities, a cohort informed by the work and legacies of Richard and Rebecca DuFour.

Suzanne Gruendling is an experienced principal in elementary and middle school education in Vermont. She has a passion for working with guiding coalitions and collaborative teams to find the best path forward.

Steve Gruenert, PhD, has been at Indiana State University since 2002 teaching educational leadership courses and doing research in the field of school culture and climate.

Kate Grunow, MA, is an instructional technology consultant and Schoology implementation lead for Macomb Intermediate School District in Metro Detroit. She has more than a decade of experience in education as a K–12 digital media specialist and English teacher.

Jody Guarino, EdD, is manager of the Teaching, Learning and Instructional Leadership Collaborative at the Orange County Department of Education and a School of Education lecturer at the University of California, Irvine (UCI).