Dr. Jessica Djabrayan Hannigan is an Assistant Professor in the Educational Leadership Department at California State University, Fresno. She works with schools and districts throughout the nation on designing and implementing effective behavior systems. Dr. Hannigan has a background in special education and student support services as well as experience with district level administration and higher education research. Jessica has developed inclusive research based best practices around systematic implementation of behavior initiatives. Dr. Hannigan is the co-author of multiple educational books such as The PBIS Tier One Handbook, The PBIS Tier Two Handbook, The PBIS Tier Three Handbook, Don't Suspend Me! An Alternative Discipline Toolkit, Building Behavior, The MTSS Start-Up Guide, and Behavior Solutions. She has received multiple recognitions for her work, including being named California Outstanding School Psychologist of the Year, Administrator of the Year, Outstanding Faculty Publications and Service Award recipient. She was also recognized by the California Legislature Assembly for her work in social justice and equity. In 2017, Dr. Hannigan was awarded the inaugural Association of California School Administrators Exemplary Woman in Education Award for her persistent work around equity in schools.