David Simkins is an American screenwriter and television producer. His first produced screenplay was for the film Adventures in Babysitting in 1987. He has been an active writer and producer for television since his involvement with The Adventures of Brisco County, Jr. in 1993-1994. He has written scripts for and produced the television shows Charmed, Blade: The Series, Dark Angel, Warehouse 13, The Dresden Files, and Human Target.