Authors & Presenters

Amy Cockcroft has more than 30 years of experience in education. She has served as a math teacher; principal; director of professional learning; executive director of curriculum, instruction, and assessment; and assistant superintendent.

Daniel Cohan retired in 2023 as chief of schools for the Jefferson County Public School District in Colorado, where he supervised elementary, middle, and high schools, K–12.

Richard K. Cohen is Chief Academic Officer for secondary education at Edison Township Public Schools in New Jersey. He is a former assistant superintendent and principal of Moss School (PreK and Kindergarten) in the Metuchen School District in New Jersey. He serves as faculty for Rutgers University in New Brunswick, New Jersey, and he is a former principal of Red Bank Primary School in New Jersey.

Alan J. Cohen was a tenured teacher with the New York City Department of Education. He taught children from many different socioeconomic backgrounds and with a wide range of behavioral needs.

Leigh Colburn is a career educator and community leader with ten years of service as the principal of Marietta High School in Georgia. She specializes in promoting school equity through wraparound service opportunities.

Karina Cole is the director of curriculum for the Neosho School District. She has 19 years of experience as a classroom teacher and instructional coach and has supported buildings in two districts to become Model Professional Learning Communities at Work® schools.

Barbara Coleman is principal of Canyon Pointe Elementary School in Tomball, Texas. With more than 40 years of experience, she has served as a general education teacher, grant facilitator, assistant principal, and principal.

Charlie Coleman has been a principal at the high school, middle, and elementary school levels in ethnically and socioeconomically diverse communities, where he effectively decreased behavior problems and increased academic success. Creating positive learning environments for ALL continues to be a priority for Charlie, and he has experience improving school culture in many schools, K–12.

Adam Collins, PhD, is the founder of Envision Zero Bullying and author of Effective Bullying Prevention: A Comprehensive Schoolwide Approach. He has over 15 years of experience researching and implementing bullying prevention best practices at the school, district, and state levels.

Jill Colyer has worked in educational leadership positions for over 20 years. Throughout her career, Jill has committed to improving student outcomes and supporting teacher growth as a classroom teacher, coordinator, and principal in both public and private school systems.