Radical existentialism is a philosophical outlook that underpins both a personal and professional approach to life.  Radical existentialism embodies the rational and intuitive reconstruction of existential thought. Core concepts of radical choice, radical openness, and radical constructivism.

It is constructivist and ethical in its view of reality:  The ultimate level of experiential reality can only be achieved through interaction with other cognitive entities. Therefore, the need to consider others is not an ethical assumption but an epistemological requirement.

The influence on clinical practice, research, general encounter, and dialogue could be summarised as:  The tendency to open, rather than to foreclose conversation about meanings, to be hermeneutic in interpretation as opposed to reductive, to acknowledge much of what occurs between us as co-constructed, and to prioritise the well-being of the individual over and above any theory, ideology or vested interest. To find meaning in experience and experience in meaning. This radical turn in existentialism acknowledges the interconnectedness of all things. Each of us is responsible for everything and to every being.