Authors & Presenters

Dr. Aspasia Angelou has 25 years of educational experience as a teacher, teacher trainer, high school principal, and director of high school design and superintendent.

David (Cal) Callaway, EdD, is the deputy head of school at the International Community School of Addis Ababa in Ethiopia. He has worked in international education since 1998 and has served as both a teacher and an administrator.

Luis F. Cruz, PhD, is a sought-after presenter, coach, thought leader, and accomplished author with over 30 years of experience in education.

Robert Eaker, EdD, is a professor emeritus at Middle Tennessee State University, where he also served as dean of the College of Education and interim vice president and provost.

Sal Herrera is the principal at Robertson Continuation High School in Fremont, California. He specializes in coaching collaborative teams, designing an effective multitiered system of supports (MTSS), and building a culture of collective responsibility.

Josh McMahon, EdD, is the assistant superintendent of education programs for Morton District 201 in Illinois. Previously, he served as principal of Morton West High School.

Anthony Muhammad, PhD, is an author and international thought leader. He served as a practitioner for nearly twenty years where he served as a teacher, assistant principal, and principal. He is recognized as one of the fields leading experts in the areas of school culture and Professional Learning Communities at Work (PLC).

Nathaniel Provencio is associate superintendent in Prince William County, Virginia. Under his leadership, Minnieville Elementary School was recognized as a Model Professional Learning Community and was the 2019 winner of the prestigious DuFour Award.

James Rawls serves as a principal in a large metropolitan school district in Georgia. His passion for education is evident through his experience of more than 20 years in the field.

Dana Renner has over 30 years of experience as a preK–12 educator and has extensive experience teaching in large urban and suburban districts. She is passionate about organizational leadership, school improvement, leadership coaching and mentoring, professional learning, and systems and processes.