The Oedipal as a Defence against the Sibling

Background in analytic, humanistic, and systemic modalities. He is the past president of both the European (EATA) and the International (ITAA) Associations of Transactional Analysis. He is a co-founder and former board member of Group Relations Nederland (1992) and Group Relations Australia (2005), both of which promote the study of unconscious process in groups and organisations. He works globally as a psychodynamic consultant, trainer, guest speaker, and supervisor, and is the author of more than twenty articles. Dr van Beekum lives in Sydney, where he is the director of the consulting training arm of the Australian Centre for Integrative Studies (ACIS) ().