Authors & Presenters
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Barbara Boroson, LMSW, has been an autism educator for more than 25 years. As a clinical social worker, she specialized in working with students on the autism spectrum and went on to become a school administrator.
Kristyn Klei Borrero
Kristyn Klei Borrero, EdD, is an accomplished educational leader and coach who strives to make a profound difference in the professional lives of educators. She is the cofounder of No-Nonsense Nurturer® and has served as a classroom teacher, principal, and superintendent.
MaryAnn Brittingham helps educators working with students at risk. She is an instructor and supervisor of student teachers at the State University of New York at New Paltz.
Lee Canter is a world-renowned expert on classroom management. His acclaimed Assertive Discipline® program has been the gold standard in the field since it was first introduced in 1976.
Tom Castellano has 50 years of experience in education. He shares his knowledge with educators as a consultant who offers presentations and workshops on Lee Canter’s relationship-based classroom management.
Calli Lewis Chiu
Calli Lewis Chiu, PhD, is an associate professor in the Department of Special Education at California State University, Fullerton (CSUF). Before joining CSUF in 2018, she was an assistant professor at California State University, Bakersfield, and Shippensburg University.
Alan J. Cohen
Alan J. Cohen is a tenured teacher in the New York City Department of education. He has taught children from many different socioeconomic backgrounds and with a wide range of behavioral needs.
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.
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.
John Hannigan, EdD, is an author and speaker who has served in education for over 20 years as a teacher, instructional coach, principal, and county office leadership coach. His expertise includes RTI at Work™, PLC at Work®, MTSS, PBIS, restorative practices, social-emotional learning, and more.