After a degree in Psychology in the USA, Leanne obtained a University Masters in Applied Behavior Analysis in Belfast. Since 2014, she has been providing training on the topics of applied behavior analysis and autism, she is also a behavior analyst consultant. She works with families, carrying out assessments and developing educational programs. At the same time, she supervises professional practices for institutions and freelance professionals.

BCBA since 2009 and PCM Instructor since 2012. Marie Céline accompanies parents and teams in the care of children and adolescents with developmental and behavioral disorders at home and in institutions as a supervisor and clinical manager. She has also contributed to the translation of several books. She is interested in supporting teams in the field, developing professionals' skills, organizing resources and decisions, and making behavioral science accessible to unfamiliar parents and professionals.

Psychologist, with a Master's degree in Developmental Psychology from early childhood to adolescence from the University of Paris V, BCBA and ACC-A Certified Behavior Analyst trained by the Florida Institute of Technology, and Certified Professional Crisis Management (P.C.M.) Instructor. She has been supervising and providing care for professionals and individuals in various types of establishments, and continues to practice as a freelancer. Magali Da Costa-Merenda also shares her expertise as a trainer in the fields of autism, applied behavior analysis and crisis prevention and management techniques.

With a Master's degree in Clinical and Psychopathological Psychology from Paris-Nanterre University, Mélodie Geneste quickly specialized in Applied Behavior Analysis, working with children with ASD within school structures and families. Since 2019, she has been a BACB® Certified Behavior Analyst. Alongside her private practice as a Clinical Psychologist, Mélodie Geneste is involved in training activities, the creation of teaching materials and the supervision of intervention programs in the field of Applied Behavior Analysis, with professionals and individuals.

Vanessa Riesgo is a psychologist specializing in child and adolescent psychology and applied behavior analysis. Certified in BCBA®, ACC-A and Professional Crisis Management (PCM), she has been working for over 15 years with children, adolescents and young adults whose difficulties are mainly on the autism spectrum. She works in the medical-social sector and as an ABA supervisor-trainer in private practice, developing functional skills teaching programs, supervising/facilitating social skills teaching groups and supporting teams in implementing good educational practices.

Supervision coordinator and founder of ABA Léman - Center for the care of children with ASD (Prévessin-Moëns, 01) Supervision and training of therapists and therapeutic facilities in France and the border region, GE. Professional supervision of ACC and BCBA candidates. 18 years of professional practice in the field of autism and other developmental disorders. Member of ABA Switzerland, ABAI and ONPAC. Ewa is particularly interested in the branches of ABA such as Verbal Behavior (VB), OBM and management of difficult behaviors.

Dr Degli Espinosa est certified behaviour analyst (BCBA-D) and doctor of research in Psychology (Ph.D). She works in the field of ABA for twenty-four years, working both as a clinician and as an academic. Her main applied areas are educational curriculum design for children with autism and reduction of challenging behaviours. For several years she has been teaching advanced verbal behaviour in various masters courses in Italy (University of Salerno), United Kingdom (Queen’s University, Belfast) and United States (Penn State).