Process-Experiential/Emotion-Focused Therapy (PE-EFT; Elliott et al, 2004; Greenherg et al, 1993) is an empirically-supported, neo-humanistic approach that integrates and updates person-centered, Gestalt, and existential therapies. In this article, we first present what we see as PE-EFT's five essential features, namely neo-humanistic values, process-experiential emotion theory, person-centered hut process-guiding relational stance, therapist exploratory response style, and marker-guided task strategy. Next, we summarize six treatment principles that guide therapists in carrying out this therapy: achieving empathic attunement, fostering an empathic, caring therapeutic bond, facilitating task collaboration, helping the client process experie...