It has become increasingly clear that grief support requires specialized knowledge to be effectively helpful. This introduction provides grief counselors from various professions, such as psychologists, doctors, chaplains, social workers, and nurses in hospice and palliative care, with the essential foundational knowledge needed to perform qualified work. Arnold Langenmayr offers an overview of reasons for grief, types of grief, grief processes, and psychological symptoms associated with grief. He also presents a wide range of counseling and therapeutic approaches, explains their application in grief situations, and illustrates this with practical examples from therapy and counseling.