Martin Harry Greenberg (March 1, 1941 – June 25, 2011) was an American academic and anthologist in many genres, including mysteries and horror, but especially in speculative fiction. In all, he compiled 1,298 anthologies and commissioned over 8,200 original short stories. He founded Tekno Books, a packager of more than 2000 published books. He was also a co-founder of the Sci-Fi Channel. Greenberg was also an expert in terrorism and the Middle East. He was a longtime friend, colleague and business partner of Isaac Asimov.