Ruth Fidler is an education consultant based in the UK. She provides training, consultation and facilitates strategic development work for educations settings, local and national services as well as parent-led organizations. She worked as a senior leader in an autism-specific special school for 22 years and has worked independently since 2014. She has published widely in the field and specializes in PDA profiles, supporting autistic girls and promoting emotional well-being. Diane Gould is a clinical social worker based in IL. She has worked in schools and agencies and has a private therapy practice. She has been active in the field for over 40 years. Diane formed PDA North America in 2020. She hears from multiple parents across America on a daily basis as they hear about PDA and provides consultations and training to parents, teachers and other professionals : http://www.dianegouldtherapy.com/pda-north-america