She has a diploma in supervision from the Society of Analytical Psychology and is a professional member of the Association for Group and Individual Psychotherapy (AGIP). She has been an active member of AGIP's training committee for many years and currently has responsibility for teaching AGIP trainees on how to successfully write their final qualifying paper. Hadassah is also a rabbi and has worked in both the Reform and Liberal Jewish movements as a congregational rabbi, educator and community developer. Hadassah has had work published on Jewish history, ethics, and creative liturgy.