Marshall Schreiber Herskovitz (born February 23, 1952) is an American film director, writer and producer, and currently the President Emeritus of the Producers Guild of America. Among his productions are Traffic, The Last Samurai, Blood Diamond, and I Am Sam. Herskovitz has directed two feature films, Jack the Bear and Dangerous Beauty. Herskovitz was a creator and executive producer of the television shows Thirtysomething, My So-Called Life, and Once and Again, and also wrote and directed several episodes of all three series.