Aim: This study aims to compare the results of two questionnaire administrated to Greece and Latvia, regarding the knowledge and views of experts on definition, principles and practices of Early Childhood Intervention (EI). Results: Despite the differences of the two populations in involvement with EI, experience in profession and experience in EI, some similarities were Agreement in the importance of practicing EI in family’s home setting, of family involvement and the fact that parents’ personal views affect treatment, b) unawareness of the legislation framework supporting EI c) in self-evaluation of EI competencies, both groups showed minimum “high” statement in understanding professional/family boundaries. Author Citation: Maria Vlassopoulos, phD; Leonidas Kozyrakis, SLP; Zane Tumševica, SLP;