Michael B. Piller (30 May 1948 – 1 November 2005; age 57) was a writer and Executive Producer of Star Trek: The Next Generation, and co-creator of Star Trek: Deep Space Nine and Star Trek: Voyager. He is probably best known for co-writing “The Best of Both Worlds” and the pilots of both Deep Space Nine and Voyager (“Emissary” and “Caretaker”, respectively). A 24th century chemical element, pillerium, was named for him.