Ida is one of the developers of the Child-Adolescent Certification in Schema Therapy for the International Society for Schema Therapy (ISST). She serves as the Chair of the C-A Certification committee of ISST and is a member of the ISST Training and Certification Advisory Board. In pre-COVID times she travelled widely to provide the ISST C-A Certification Curriculum. She now provides training online and is an active supervisor for C-A ST certification. She has written three books so far on Schema Therapy with Joan Farrell, Ph.D. She is currently at work on a long-awaited volume on Child-Adolescent Schema Therapy. She has a number of research publications in the area and has supervised C-A clinical studies including one with Jeffrey Roeloffs, which looked at preventative interventions for infants.