Ida is one of the developers of the Child-Adolescent Certification in Schema Therapy for the International Society for Schema Therapy (ISST). She served as the Chair of the C-A Certification Committee of ISST for many years and was integral in the development of the C-A ST Certification. She is a member of the ISST Training and Certification Advisory Board. She was elected as an Honorary Lifetime Member of ISST by the membership in 2022.

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.