Emmy van Deurzen (born 13 December 1951 in The Hague, Netherlands)[1] is an existential therapist.

van Deurzen was born and raised in The Hague, in The Netherlands, then went to France to study, where she earned two master's degrees, one in philosophy, at the University of Montpellier, where she studied with Michel Henry, and one in clinical psychology, at the University of Bordeaux, during which time she was supervised by Dr. François Tosquelles.

[4] She did her PhD on Heidegger's concepts of authenticity and inauthenticity and their relevance to psychotherapy, at City University, London.

She contributed numerous ideas to existential therapy, including that of the four worlds model and the emotional compass.

In 2014 she and her husband Prof Digby Tantam, created the Existential Academy, a community interest company, in West Hampstead, where they offer five masters programmes and two doctoral programmes in conjunction with Middlesex University, as well as a range of short courses.