John Gregory Betancourt

John Gregory Betancourt (born 1963) is a writer of science fiction, fantasy and mystery novels as well as short stories. He has worked as an assistant editor at Amazing Stories and editor of Horror: The Newsmagazine of the Horror Field, the revived Weird Tales magazine, the first issue of H. P. Lovecraft's Magazine of Horror (which he subsequently hired Marvin Kaye to edit), Cat Tales magazine (which he subsequently hired George H. Scithers to edit), and Adventure Tales magazine.

John Gregory Betancourt is the writer of four Star Trek novels and the new Chronicles of Amber prequel series, as well as a dozen original novels. His essays, articles, and reviews have appeared in such diverse publications as Writer's Digest, The Washington Post, and Amazing Stories.

John Gregory Betancourt has also written books under the pseudonyms of Jeremy Kingston and Thomas Shadwell (with Arthur Byron Cover and Tim Sullivan).