This document provides an overview of humanistic psychotherapy and counseling. It discusses the origins of humanistic psychology in phenomenology and existentialism. Key figures discussed include Carl Rogers, who developed client-centered therapy, and Abraham Maslow, who proposed the theory of self-actualization. The document also outlines common assumptions of humanistic theories, such as viewing people as having an innate tendency toward self-actualization. It describes necessary conditions for therapeutic change, including genuineness, empathy, and unconditional positive regard from the therapist. A variety of humanistic therapies are mentioned, such as gestalt therapy and transactional analysis.