Authors & Presenters

Jaime Greene, EdD, is principal of Lincoln Heights Middle School in Morristown, Tennessee. With more than 20 years of experience in education, she is passionate about sharing her work and ensuring high levels of learning for all.

Keri Greener serves as assistant superintendent in Box Elder School District. An educator for more than 34 years, she has been an elementary school teacher, literacy coach, district literacy specialist, principal, and director of assessment and professional development.

Brian Greeney, EdD, serves as the chief of school in a public school district in Texas. His focus is on helping secondary schools use the PLC process to grow their student and teacher efficacy.

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.