Stefan Dziemianowicz is an American editor and writer specialized in the field of speculative fiction, particularly horror, fantasy, and science fiction. He has compiled and edited numerous anthologies of genre fiction and has also been involved in literary criticism and scholarship within these genres. Dziemianowicz is known for his extensive knowledge of classic horror literature and has contributed to the preservation and promotion of works by notable authors from the past, including writing introductions and essays for collections of stories by such writers. He often collaborates with other editors and scholars in the field, contributing to a variety of projects that focus on the history and analysis of genre literature.