David Geddes Hartwell (b. July 10, 1941) is an American editor of science fiction and fantasy. He has worked for Signet (1971-1973), Berkley Putnam (1973-1978), Pocket (where he founded the Timescape imprint, 1978-1983, and created the Pocket Books Star Trek publishing line), and Tor (where he spearheaded Tor's Canadian publishing initiative, and was also influential in bringing many Australian writers to the US market, 1984-date), and has published numerous anthologies. Since 1995, his title at Tor/Forge Books has been "Senior Editor." He chairs the board of directors of the World Fantasy Convention and, with Gordon Van Gelder, is the administrator of the Philip K. Dick Award. He holds a Ph.D. in comparative medieval literature.
He lives in Pleasantville, New York with his wife Kathryn Cramer and their two children.
Each year he edits two anthologies, Year's Best SF (started in 1996 and co-edited with Kathryn Cramer since 2002) and Year's Best Fantasy (co-edited with Cramer since its first publication in 2001). Both anthologies have consistently placed in the top 10 of the Locus annual reader poll in the category of Best Anthology. In 1988, he won the World Fantasy Award in the category Best Anthology for The Dark Descent. He has been nominated for the Hugo Award in the category of Best Professional Editor on numerous occasions, and won in 2006. He edited the best-novel Nebula Award-winners Timescape by Gregory Benford (published 1980), The Claw of the Conciliator by Gene Wolfe (published 1981), and No Enemy But Time by Michael Bishop (published 1982), and the best-novel Hugo Award-winner Hominids by Robert J. Sawyer (published 2002).
